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    <link:label xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xml:lang="en-US" id="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl">Antidilutive shares excluded from calculation (in shares)</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_AssetsAbstract_lbl" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl">ASSETS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl" xlink:title="label: AssetsAbstract to us-gaap_AssetsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsAbstract_lbl1" xml:lang="en-US" id="us-gaap_AssetsAbstract_lbl1">Assets [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsAbstract" xlink:to="us-gaap_AssetsAbstract_lbl1" xlink:title="label: AssetsAbstract to us-gaap_AssetsAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Assets" xlink:label="Assets" xlink:title="Assets" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_Assets_lbl" xml:lang="en-US" id="us-gaap_Assets_lbl">Total assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="us-gaap_Assets_lbl" xlink:title="label: Assets to us-gaap_Assets_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Assets_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Assets_lbl1" xml:lang="en-US" id="us-gaap_Assets_lbl1">Long-lived assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Assets" xlink:to="us-gaap_Assets_lbl1" xlink:title="label: Assets to us-gaap_Assets_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrentAbstract" xlink:label="AssetsCurrentAbstract" xlink:title="AssetsCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_AssetsCurrentAbstract_lbl">Current assets:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrentAbstract" xlink:to="us-gaap_AssetsCurrentAbstract_lbl" xlink:title="label: AssetsCurrentAbstract to us-gaap_AssetsCurrentAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_AssetsCurrent" xlink:label="AssetsCurrent" xlink:title="AssetsCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_AssetsCurrent_lbl" xml:lang="en-US" id="us-gaap_AssetsCurrent_lbl">Total current assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl" xlink:title="label: AssetsCurrent to us-gaap_AssetsCurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_AssetsCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_AssetsCurrent_lbl1" xml:lang="en-US" id="us-gaap_AssetsCurrent_lbl1">Assets, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AssetsCurrent" xlink:to="us-gaap_AssetsCurrent_lbl1" xlink:title="label: AssetsCurrent to us-gaap_AssetsCurrent_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BaseRateMember" xlink:label="BaseRateMember" xlink:title="BaseRateMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BaseRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_BaseRateMember_lbl" xml:lang="en-US" id="us-gaap_BaseRateMember_lbl">Base Rate [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BaseRateMember" xlink:to="us-gaap_BaseRateMember_lbl" xlink:title="label: BaseRateMember to us-gaap_BaseRateMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BilledRevenuesMember" xlink:label="BilledRevenuesMember" xlink:title="BilledRevenuesMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BilledRevenuesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_BilledRevenuesMember_lbl" xml:lang="en-US" id="us-gaap_BilledRevenuesMember_lbl">Billed [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BilledRevenuesMember" xlink:to="us-gaap_BilledRevenuesMember_lbl" xlink:title="label: BilledRevenuesMember to us-gaap_BilledRevenuesMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingAndBuildingImprovementsMember" xlink:label="BuildingAndBuildingImprovementsMember" xlink:title="BuildingAndBuildingImprovementsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingAndBuildingImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_BuildingAndBuildingImprovementsMember_lbl" xml:lang="en-US" id="us-gaap_BuildingAndBuildingImprovementsMember_lbl">Buildings, Building Improvements and Leasehold Improvements [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BuildingAndBuildingImprovementsMember" xlink:to="us-gaap_BuildingAndBuildingImprovementsMember_lbl" xlink:title="label: BuildingAndBuildingImprovementsMember to us-gaap_BuildingAndBuildingImprovementsMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingImprovementsMember" xlink:label="BuildingImprovementsMember" xlink:title="BuildingImprovementsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_BuildingImprovementsMember_lbl" xml:lang="en-US" id="us-gaap_BuildingImprovementsMember_lbl">Building Improvements [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BuildingImprovementsMember" xlink:to="us-gaap_BuildingImprovementsMember_lbl" xlink:title="label: BuildingImprovementsMember to us-gaap_BuildingImprovementsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingImprovementsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_BuildingImprovementsMember_lbl1" xml:lang="en-US" id="us-gaap_BuildingImprovementsMember_lbl1">Building Improvements [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BuildingImprovementsMember" xlink:to="us-gaap_BuildingImprovementsMember_lbl1" xlink:title="label: BuildingImprovementsMember to us-gaap_BuildingImprovementsMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_BuildingMember" xlink:label="BuildingMember" xlink:title="BuildingMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_BuildingMember_lbl" xml:lang="en-US" id="us-gaap_BuildingMember_lbl">Buildings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BuildingMember" xlink:to="us-gaap_BuildingMember_lbl" xlink:title="label: BuildingMember to us-gaap_BuildingMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_BuildingMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_BuildingMember_lbl1" xml:lang="en-US" id="us-gaap_BuildingMember_lbl1">Building [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BuildingMember" xlink:to="us-gaap_BuildingMember_lbl1" xlink:title="label: BuildingMember to us-gaap_BuildingMember_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl">Balance (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_CommonStockSharesOutstanding_lbl1" xml:lang="en-US" id="us-gaap_CommonStockSharesOutstanding_lbl1">Balance (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl1" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl1" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_lbl2" xlink:title="label: CommonStockSharesOutstanding to us-gaap_CommonStockSharesOutstanding_lbl2" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl">401(k) savings plan [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CompensationAndRetirementDisclosureAbstract" xlink:to="us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" xlink:title="label: CompensationAndRetirementDisclosureAbstract to us-gaap_CompensationAndRetirementDisclosureAbstract_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" xlink:title="label: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract" xlink:to="us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl1" xlink:title="label: ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract to us-gaap_ComponentsOfDeferredTaxAssetsAndLiabilitiesAbstract_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xml:lang="en-US" id="us-gaap_ConcentrationRiskBenchmarkDomain_lbl">Concentration Risk Benchmark [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskBenchmarkDomain" xlink:to="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:title="label: ConcentrationRiskBenchmarkDomain to us-gaap_ConcentrationRiskBenchmarkDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="ConcentrationRiskPercentage1" xlink:title="ConcentrationRiskPercentage1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ConcentrationRiskPercentage1_lbl" xml:lang="en-US" id="us-gaap_ConcentrationRiskPercentage1_lbl">Concentration risk percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:title="label: ConcentrationRiskPercentage1 to us-gaap_ConcentrationRiskPercentage1_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ConcentrationRiskPercentage1_lbl1" xml:lang="en-US" id="us-gaap_ConcentrationRiskPercentage1_lbl1">Concentration Risk, Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1_lbl1" xlink:title="label: ConcentrationRiskPercentage1 to us-gaap_ConcentrationRiskPercentage1_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConsolidationPolicyTextBlock" xlink:label="ConsolidationPolicyTextBlock" xlink:title="ConsolidationPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_ConsolidationPolicyTextBlock_lbl">Basis of presentation and consolidation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:title="label: ConsolidationPolicyTextBlock to us-gaap_ConsolidationPolicyTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ConstructionInProgressMember" xlink:label="ConstructionInProgressMember" xlink:title="ConstructionInProgressMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ConstructionInProgressMember_lbl" xml:lang="en-US" id="us-gaap_ConstructionInProgressMember_lbl">Construction-in-progress [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConstructionInProgressMember" xlink:to="us-gaap_ConstructionInProgressMember_lbl" xlink:title="label: ConstructionInProgressMember to us-gaap_ConstructionInProgressMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ContractsRevenue" xlink:label="ContractsRevenue" xlink:title="ContractsRevenue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ContractsRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ContractsRevenue_lbl" xml:lang="en-US" id="us-gaap_ContractsRevenue_lbl">Contracts and grants</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractsRevenue" xlink:to="us-gaap_ContractsRevenue_lbl" xlink:title="label: ContractsRevenue to us-gaap_ContractsRevenue_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfGoodsSold" xlink:label="CostOfGoodsSold" xlink:title="CostOfGoodsSold" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CostOfGoodsSold_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CostOfGoodsSold_lbl" xml:lang="en-US" id="us-gaap_CostOfGoodsSold_lbl">Cost of product sales and contract manufacturing</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfGoodsSold" xlink:to="us-gaap_CostOfGoodsSold_lbl" xlink:title="label: CostOfGoodsSold to us-gaap_CostOfGoodsSold_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CostOfSalesMember" xlink:label="CostOfSalesMember" xlink:title="CostOfSalesMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_CostOfSalesMember_lbl" xml:lang="en-US" id="us-gaap_CostOfSalesMember_lbl">Cost of Product Sales [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfSalesMember" xlink:to="us-gaap_CostOfSalesMember_lbl" xlink:title="label: CostOfSalesMember to us-gaap_CostOfSalesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CostOfSalesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CostOfSalesMember_lbl1" xml:lang="en-US" id="us-gaap_CostOfSalesMember_lbl1">Cost of Sales [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfSalesMember" xlink:to="us-gaap_CostOfSalesMember_lbl1" xlink:title="label: CostOfSalesMember to us-gaap_CostOfSalesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityDomain" xlink:label="CreditFacilityDomain" xlink:title="CreditFacilityDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CreditFacilityDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CreditFacilityDomain_lbl" xml:lang="en-US" id="us-gaap_CreditFacilityDomain_lbl">Credit Facility [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditFacilityDomain" xlink:to="us-gaap_CreditFacilityDomain_lbl" xlink:title="label: CreditFacilityDomain to us-gaap_CreditFacilityDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CreditFacilityAxis" xlink:label="CreditFacilityAxis" xlink:title="CreditFacilityAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CreditFacilityAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US" id="us-gaap_CreditFacilityAxis_lbl">Credit Facility [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl" xlink:title="label: CreditFacilityAxis to us-gaap_CreditFacilityAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefit" xlink:label="CurrentIncomeTaxExpenseBenefit" xlink:title="CurrentIncomeTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xml:lang="en-US" id="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl">Total current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" xlink:title="label: CurrentIncomeTaxExpenseBenefit to us-gaap_CurrentIncomeTaxExpenseBenefit_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl1" xml:lang="en-US" id="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl1">Current Income Tax Expense (Benefit)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentIncomeTaxExpenseBenefit" xlink:to="us-gaap_CurrentIncomeTaxExpenseBenefit_lbl1" xlink:title="label: CurrentIncomeTaxExpenseBenefit to us-gaap_CurrentIncomeTaxExpenseBenefit_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentStateAndLocalTaxExpenseBenefit" xlink:label="CurrentStateAndLocalTaxExpenseBenefit" xlink:title="CurrentStateAndLocalTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xml:lang="en-US" id="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl">State</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentStateAndLocalTaxExpenseBenefit" xlink:to="us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" xlink:title="label: CurrentStateAndLocalTaxExpenseBenefit to us-gaap_CurrentStateAndLocalTaxExpenseBenefit_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentForeignTaxExpenseBenefit" xlink:label="CurrentForeignTaxExpenseBenefit" xlink:title="CurrentForeignTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xml:lang="en-US" id="us-gaap_CurrentForeignTaxExpenseBenefit_lbl">International</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentForeignTaxExpenseBenefit" xlink:to="us-gaap_CurrentForeignTaxExpenseBenefit_lbl" xlink:title="label: CurrentForeignTaxExpenseBenefit to us-gaap_CurrentForeignTaxExpenseBenefit_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:label="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" xlink:title="CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl" xml:lang="en-US" id="us-gaap_CurrentIncomeTaxExpenseBenefitContinuingOperationsAbstract_lbl">Current [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CurrentFederalTaxExpenseBenefit" xlink:label="CurrentFederalTaxExpenseBenefit" xlink:title="CurrentFederalTaxExpenseBenefit" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xml:lang="en-US" id="us-gaap_CurrentFederalTaxExpenseBenefit_lbl">Federal</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CurrentFederalTaxExpenseBenefit" xlink:to="us-gaap_CurrentFederalTaxExpenseBenefit_lbl" xlink:title="label: CurrentFederalTaxExpenseBenefit to us-gaap_CurrentFederalTaxExpenseBenefit_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="CustomerConcentrationRiskMember" xlink:title="CustomerConcentrationRiskMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_CustomerConcentrationRiskMember_lbl" xml:lang="en-US" id="us-gaap_CustomerConcentrationRiskMember_lbl">HHS [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CustomerConcentrationRiskMember" xlink:to="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:title="label: CustomerConcentrationRiskMember to us-gaap_CustomerConcentrationRiskMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1" xlink:label="DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1" xlink:title="DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl" xml:lang="en-US" id="us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl">Debt instrument amortization period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1" xlink:to="us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl" xlink:title="label: DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1 to us-gaap_DebtInstrumentConvertibleRemainingDiscountAmortizationPeriod1_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAxis" xlink:to="us-gaap_DebtInstrumentAxis_lbl" xlink:title="label: DebtInstrumentAxis to us-gaap_DebtInstrumentAxis_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtInstrumentAxis_lbl1" xml:lang="en-US" id="us-gaap_DebtInstrumentAxis_lbl1">Debt Instrument [Axis]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_DebtDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_DebtDisclosureTextBlock_lbl1">Debt Disclosure [Text Block]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareDilutedAbstract" xlink:label="EarningsPerShareDilutedAbstract" xlink:title="EarningsPerShareDilutedAbstract" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareBasic" xlink:label="EarningsPerShareBasic" xlink:title="EarningsPerShareBasic" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_lbl" xlink:title="label: EarningsPerShareBasic to us-gaap_EarningsPerShareBasic_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EarningsPerShareBasic_lbl1" xml:lang="en-US" id="us-gaap_EarningsPerShareBasic_lbl1">Earnings Per Share, Basic</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerSharePolicyTextBlock" xlink:label="EarningsPerSharePolicyTextBlock" xlink:title="EarningsPerSharePolicyTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="EarningsPerShareAbstract" xlink:title="EarningsPerShareAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US" id="us-gaap_EarningsPerShareAbstract_lbl">Earnings per share [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareAbstract_lbl" xlink:title="label: EarningsPerShareAbstract to us-gaap_EarningsPerShareAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_EarningsPerShareAbstract_lbl1" xml:lang="en-US" id="us-gaap_EarningsPerShareAbstract_lbl1">Earnings Per Share [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:title="EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetUsefulLife_lbl">Amortization period of intangible asset</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl1" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl1">Finite-Lived Intangible Assets, Amortization Expense, Year Four</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseYearFour" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl1" xlink:title="label: FiniteLivedIntangibleAssetsAmortizationExpenseYearFour to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearFour_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsGross_lbl">Intangible Assets, Beginning Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl" xlink:title="label: FiniteLivedIntangibleAssetsGross to us-gaap_FiniteLivedIntangibleAssetsGross_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_FiniteLivedIntangibleAssetsGross_lbl1" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsGross_lbl1">Intangible Assets, Ending Balance</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsGross_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FiniteLivedIntangibleAssetsGross_lbl2" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsGross_lbl2">Finite-Lived Intangible Assets, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsGross" xlink:to="us-gaap_FiniteLivedIntangibleAssetsGross_lbl2" xlink:title="label: FiniteLivedIntangibleAssetsGross to us-gaap_FiniteLivedIntangibleAssetsGross_lbl2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl">2019</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl1" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl1">Finite-Lived Intangible Assets, Amortization Expense, Year Two</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo" xlink:to="us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl1" xlink:title="label: FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo to us-gaap_FiniteLivedIntangibleAssetsAmortizationExpenseYearTwo_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:label="FiniteLivedIntangibleAssetsMajorClassNameDomain" xlink:title="FiniteLivedIntangibleAssetsMajorClassNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl" xml:lang="en-US" id="us-gaap_FiniteLivedIntangibleAssetsMajorClassNameDomain_lbl">Finite-Lived Intangible Assets, Major Class Name [Domain]</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock" xlink:to="us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" xlink:title="label: ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock to us-gaap_ForeignCurrencyTransactionsAndTranslationsPolicyTextBlock_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_ForeignCountryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_ForeignCountryMember_lbl" xml:lang="en-US" id="us-gaap_ForeignCountryMember_lbl">United Kingdom Tax Authority [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCountryMember" xlink:to="us-gaap_ForeignCountryMember_lbl" xlink:title="label: ForeignCountryMember to us-gaap_ForeignCountryMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ForeignCountryMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ForeignCountryMember_lbl1" xml:lang="en-US" id="us-gaap_ForeignCountryMember_lbl1">Foreign Tax Authority [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignCountryMember" xlink:to="us-gaap_ForeignCountryMember_lbl1" xlink:title="label: ForeignCountryMember to us-gaap_ForeignCountryMember_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_FurnitureAndFixturesMember_lbl" xml:lang="en-US" id="us-gaap_FurnitureAndFixturesMember_lbl">Furniture and Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember_lbl" xlink:title="label: FurnitureAndFixturesMember to us-gaap_FurnitureAndFixturesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_FurnitureAndFixturesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_FurnitureAndFixturesMember_lbl1" xml:lang="en-US" id="us-gaap_FurnitureAndFixturesMember_lbl1">Furniture and Fixtures [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FurnitureAndFixturesMember" xlink:to="us-gaap_FurnitureAndFixturesMember_lbl1" xlink:title="label: FurnitureAndFixturesMember to us-gaap_FurnitureAndFixturesMember_lbl1" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GeographicConcentrationRiskMember" xlink:to="us-gaap_GeographicConcentrationRiskMember_lbl" xlink:title="label: GeographicConcentrationRiskMember to us-gaap_GeographicConcentrationRiskMember_lbl" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAndIntangibleAssetsDisclosureTextBlock" xlink:to="us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" xlink:title="label: GoodwillAndIntangibleAssetsDisclosureTextBlock to us-gaap_GoodwillAndIntangibleAssetsDisclosureTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:label="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:title="GoodwillAndIntangibleAssetsGoodwillPolicy" />
    <link:label xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xml:lang="en-US" id="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:to="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" xlink:title="label: GoodwillAndIntangibleAssetsGoodwillPolicy to us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl1" xml:lang="en-US" id="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl1">Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillAndIntangibleAssetsGoodwillPolicy" xlink:to="us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl1" xlink:title="label: GoodwillAndIntangibleAssetsGoodwillPolicy to us-gaap_GoodwillAndIntangibleAssetsGoodwillPolicy_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Goodwill_lbl" xml:lang="en-US" id="us-gaap_Goodwill_lbl">Goodwill</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Goodwill" xlink:to="us-gaap_Goodwill_lbl" xlink:title="label: Goodwill to us-gaap_Goodwill_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Goodwill_lbl1" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_Goodwill_lbl1" xml:lang="en-US" id="us-gaap_Goodwill_lbl1">Goodwill</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncomeLossFromContinuingOperationsPerBasicShare" xlink:label="IncomeLossFromContinuingOperationsPerBasicShare" xlink:title="IncomeLossFromContinuingOperationsPerBasicShare" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl1" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl1">Deferred revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInDeferredRevenue" xlink:to="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl1" xlink:title="label: IncreaseDecreaseInDeferredRevenue to us-gaap_IncreaseDecreaseInDeferredRevenue_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInOperatingCapitalAbstract" xlink:label="IncreaseDecreaseInOperatingCapitalAbstract" xlink:title="IncreaseDecreaseInOperatingCapitalAbstract" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInInventories_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncreaseDecreaseInInventories_lbl1" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInInventories_lbl1">Increase (Decrease) in Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories_lbl1" xlink:title="label: IncreaseDecreaseInInventories to us-gaap_IncreaseDecreaseInInventories_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInUnbilledReceivables" xlink:label="IncreaseDecreaseInUnbilledReceivables" xlink:title="IncreaseDecreaseInUnbilledReceivables" />
    <link:label xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl" xml:lang="en-US" id="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl">Decrease in unbilled accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="IncreaseDecreaseInUnbilledReceivables" xlink:to="us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl" xlink:title="label: IncreaseDecreaseInUnbilledReceivables to us-gaap_IncreaseDecreaseInUnbilledReceivables_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncreaseDecreaseInStockholdersEquityRollForward" xlink:label="IncreaseDecreaseInStockholdersEquityRollForward" xlink:title="IncreaseDecreaseInStockholdersEquityRollForward" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:label="IncrementalCommonSharesAttributableToConversionOfDebtSecurities" xlink:title="IncrementalCommonSharesAttributableToConversionOfDebtSecurities" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwillAbstract" xlink:label="IntangibleAssetsNetExcludingGoodwillAbstract" xlink:title="IntangibleAssetsNetExcludingGoodwillAbstract" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="IntangibleAssetsNetExcludingGoodwill" xlink:title="IntangibleAssetsNetExcludingGoodwill" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_InterestExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InterestExpense_lbl1" xml:lang="en-US" id="us-gaap_InterestExpense_lbl1">Interest Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestExpense" xlink:to="us-gaap_InterestExpense_lbl1" xlink:title="label: InterestExpense to us-gaap_InterestExpense_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InterestPaidNet" xlink:label="InterestPaidNet" xlink:title="InterestPaidNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InterestPaidNet_lbl" xml:lang="en-US" id="us-gaap_InterestPaidNet_lbl">Cash paid during the year for interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl" xlink:title="label: InterestPaidNet to us-gaap_InterestPaidNet_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InternalRevenueServiceIRSMember" xlink:label="InternalRevenueServiceIRSMember" xlink:title="InternalRevenueServiceIRSMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_InternalRevenueServiceIRSMember_lbl" xml:lang="en-US" id="us-gaap_InternalRevenueServiceIRSMember_lbl">U.S. Federal Tax Authority [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl" xlink:title="label: InternalRevenueServiceIRSMember to us-gaap_InternalRevenueServiceIRSMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InternalRevenueServiceIRSMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InternalRevenueServiceIRSMember_lbl1" xml:lang="en-US" id="us-gaap_InternalRevenueServiceIRSMember_lbl1">Internal Revenue Service (IRS) [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InternalRevenueServiceIRSMember" xlink:to="us-gaap_InternalRevenueServiceIRSMember_lbl1" xlink:title="label: InternalRevenueServiceIRSMember to us-gaap_InternalRevenueServiceIRSMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureTextBlock" xlink:label="InventoryDisclosureTextBlock" xlink:title="InventoryDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_InventoryDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_InventoryDisclosureTextBlock_lbl">Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:title="label: InventoryDisclosureTextBlock to us-gaap_InventoryDisclosureTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_InventoryDisclosureTextBlock_lbl1">Inventory Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock_lbl1" xlink:title="label: InventoryDisclosureTextBlock to us-gaap_InventoryDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryFinishedGoodsNetOfReserves" xlink:label="InventoryFinishedGoodsNetOfReserves" xlink:title="InventoryFinishedGoodsNetOfReserves" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" xml:lang="en-US" id="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl">Finished goods</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryFinishedGoodsNetOfReserves" xlink:to="us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" xlink:title="label: InventoryFinishedGoodsNetOfReserves to us-gaap_InventoryFinishedGoodsNetOfReserves_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryNet" xlink:label="InventoryNet" xlink:title="InventoryNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_InventoryNet_lbl" xml:lang="en-US" id="us-gaap_InventoryNet_lbl">Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="us-gaap_InventoryNet_lbl" xlink:title="label: InventoryNet to us-gaap_InventoryNet_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_InventoryNet_lbl1" xml:lang="en-US" id="us-gaap_InventoryNet_lbl1">Total inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="us-gaap_InventoryNet_lbl1" xlink:title="label: InventoryNet to us-gaap_InventoryNet_lbl1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryNet_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryNet_lbl2" xml:lang="en-US" id="us-gaap_InventoryNet_lbl2">Inventory, Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryNet" xlink:to="us-gaap_InventoryNet_lbl2" xlink:title="label: InventoryNet to us-gaap_InventoryNet_lbl2" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryDisclosureAbstract" xlink:label="InventoryDisclosureAbstract" xlink:title="InventoryDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_InventoryDisclosureAbstract_lbl">Inventories [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryDisclosureAbstract" xlink:to="us-gaap_InventoryDisclosureAbstract_lbl" xlink:title="label: InventoryDisclosureAbstract to us-gaap_InventoryDisclosureAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryWorkInProcessNetOfReserves" xlink:label="InventoryWorkInProcessNetOfReserves" xlink:title="InventoryWorkInProcessNetOfReserves" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xml:lang="en-US" id="us-gaap_InventoryWorkInProcessNetOfReserves_lbl">Work-in-process</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryWorkInProcessNetOfReserves" xlink:to="us-gaap_InventoryWorkInProcessNetOfReserves_lbl" xlink:title="label: InventoryWorkInProcessNetOfReserves to us-gaap_InventoryWorkInProcessNetOfReserves_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:label="InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:title="InventoryRawMaterialsAndSuppliesNetOfReserves" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_lbl" xml:lang="en-US" id="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_lbl">Raw materials and supplies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryRawMaterialsAndSuppliesNetOfReserves" xlink:to="us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_lbl" xlink:title="label: InventoryRawMaterialsAndSuppliesNetOfReserves to us-gaap_InventoryRawMaterialsAndSuppliesNetOfReserves_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="InventoryPolicyTextBlock" xlink:title="InventoryPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InventoryPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_InventoryPolicyTextBlock_lbl">Inventories</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl" xlink:title="label: InventoryPolicyTextBlock to us-gaap_InventoryPolicyTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_InvestmentIncomeInterest" xlink:label="InvestmentIncomeInterest" xlink:title="InvestmentIncomeInterest" />
    <link:label xlink:type="resource" xlink:label="us-gaap_InvestmentIncomeInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_InvestmentIncomeInterest_lbl" xml:lang="en-US" id="us-gaap_InvestmentIncomeInterest_lbl">Interest income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InvestmentIncomeInterest" xlink:to="us-gaap_InvestmentIncomeInterest_lbl" xlink:title="label: InvestmentIncomeInterest to us-gaap_InvestmentIncomeInterest_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LettersOfCreditOutstandingAmount" xlink:label="LettersOfCreditOutstandingAmount" xlink:title="LettersOfCreditOutstandingAmount" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LettersOfCreditOutstandingAmount_lbl" xml:lang="en-US" id="us-gaap_LettersOfCreditOutstandingAmount_lbl">Letter of credit, outstanding amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LettersOfCreditOutstandingAmount" xlink:to="us-gaap_LettersOfCreditOutstandingAmount_lbl" xlink:title="label: LettersOfCreditOutstandingAmount to us-gaap_LettersOfCreditOutstandingAmount_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LandAndLandImprovementsMember" xlink:label="LandAndLandImprovementsMember" xlink:title="LandAndLandImprovementsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LandAndLandImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LandAndLandImprovementsMember_lbl" xml:lang="en-US" id="us-gaap_LandAndLandImprovementsMember_lbl">Land and Improvements [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LandAndLandImprovementsMember" xlink:to="us-gaap_LandAndLandImprovementsMember_lbl" xlink:title="label: LandAndLandImprovementsMember to us-gaap_LandAndLandImprovementsMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseExpirationDate1" xlink:label="LeaseExpirationDate1" xlink:title="LeaseExpirationDate1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LeaseExpirationDate1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LeaseExpirationDate1_lbl" xml:lang="en-US" id="us-gaap_LeaseExpirationDate1_lbl">Operating lease expiration date</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeaseExpirationDate1" xlink:to="us-gaap_LeaseExpirationDate1_lbl" xlink:title="label: LeaseExpirationDate1 to us-gaap_LeaseExpirationDate1_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeaseholdsAndLeaseholdImprovementsMember" xlink:label="LeaseholdsAndLeaseholdImprovementsMember" xlink:title="LeaseholdsAndLeaseholdImprovementsMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LeaseholdsAndLeaseholdImprovementsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LeaseholdsAndLeaseholdImprovementsMember_lbl" xml:lang="en-US" id="us-gaap_LeaseholdsAndLeaseholdImprovementsMember_lbl">Leasehold Improvements [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeaseholdsAndLeaseholdImprovementsMember" xlink:to="us-gaap_LeaseholdsAndLeaseholdImprovementsMember_lbl" xlink:title="label: LeaseholdsAndLeaseholdImprovementsMember to us-gaap_LeaseholdsAndLeaseholdImprovementsMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeasesOfLesseeDisclosureTextBlock" xlink:label="LeasesOfLesseeDisclosureTextBlock" xlink:title="LeasesOfLesseeDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl">Leases</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeasesOfLesseeDisclosureTextBlock" xlink:to="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl" xlink:title="label: LeasesOfLesseeDisclosureTextBlock to us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl1">Leases of Lessee Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeasesOfLesseeDisclosureTextBlock" xlink:to="us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl1" xlink:title="label: LeasesOfLesseeDisclosureTextBlock to us-gaap_LeasesOfLesseeDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LeasesAbstract" xlink:label="LeasesAbstract" xlink:title="LeasesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LeasesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LeasesAbstract_lbl" xml:lang="en-US" id="us-gaap_LeasesAbstract_lbl">Leases [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LeasesAbstract" xlink:to="us-gaap_LeasesAbstract_lbl" xlink:title="label: LeasesAbstract to us-gaap_LeasesAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalEntityTypeOfCounterpartyDomain" xlink:label="LegalEntityTypeOfCounterpartyDomain" xlink:title="LegalEntityTypeOfCounterpartyDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LegalEntityTypeOfCounterpartyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LegalEntityTypeOfCounterpartyDomain_lbl" xml:lang="en-US" id="us-gaap_LegalEntityTypeOfCounterpartyDomain_lbl">Legal Entity Type of Counterparty [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LegalEntityTypeOfCounterpartyDomain" xlink:to="us-gaap_LegalEntityTypeOfCounterpartyDomain_lbl" xlink:title="label: LegalEntityTypeOfCounterpartyDomain to us-gaap_LegalEntityTypeOfCounterpartyDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LegalMattersAndContingenciesTextBlock" xlink:label="LegalMattersAndContingenciesTextBlock" xlink:title="LegalMattersAndContingenciesTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LegalMattersAndContingenciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LegalMattersAndContingenciesTextBlock_lbl" xml:lang="en-US" id="us-gaap_LegalMattersAndContingenciesTextBlock_lbl">Litigation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LegalMattersAndContingenciesTextBlock" xlink:to="us-gaap_LegalMattersAndContingenciesTextBlock_lbl" xlink:title="label: LegalMattersAndContingenciesTextBlock to us-gaap_LegalMattersAndContingenciesTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquity" xlink:label="LiabilitiesAndStockholdersEquity" xlink:title="LiabilitiesAndStockholdersEquity" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquity_lbl">Total liabilities and stockholders' equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:title="label: LiabilitiesAndStockholdersEquity to us-gaap_LiabilitiesAndStockholdersEquity_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquity_lbl1">Liabilities and Equity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquity" xlink:to="us-gaap_LiabilitiesAndStockholdersEquity_lbl1" xlink:title="label: LiabilitiesAndStockholdersEquity to us-gaap_LiabilitiesAndStockholdersEquity_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_Liabilities" xlink:label="Liabilities" xlink:title="Liabilities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_Liabilities_lbl" xml:lang="en-US" id="us-gaap_Liabilities_lbl">Total liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="us-gaap_Liabilities_lbl" xlink:title="label: Liabilities to us-gaap_Liabilities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_Liabilities_lbl1" xml:lang="en-US" id="us-gaap_Liabilities_lbl1">Liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="Liabilities" xlink:to="us-gaap_Liabilities_lbl1" xlink:title="label: Liabilities to us-gaap_Liabilities_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesAndStockholdersEquityAbstract" xlink:label="LiabilitiesAndStockholdersEquityAbstract" xlink:title="LiabilitiesAndStockholdersEquityAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl">LIABILITIES AND STOCKHOLDERS' EQUITY</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesAndStockholdersEquityAbstract" xlink:to="us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" xlink:title="label: LiabilitiesAndStockholdersEquityAbstract to us-gaap_LiabilitiesAndStockholdersEquityAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrent" xlink:label="LiabilitiesCurrent" xlink:title="LiabilitiesCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesCurrent_lbl">Total current liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:title="label: LiabilitiesCurrent to us-gaap_LiabilitiesCurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesCurrent_lbl1" xml:lang="en-US" id="us-gaap_LiabilitiesCurrent_lbl1">Liabilities, Current</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl1" xlink:title="label: LiabilitiesCurrent to us-gaap_LiabilitiesCurrent_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="LiabilitiesCurrentAbstract" xlink:title="LiabilitiesCurrentAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US" id="us-gaap_LiabilitiesCurrentAbstract_lbl">Current liabilities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:title="label: LiabilitiesCurrentAbstract to us-gaap_LiabilitiesCurrentAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="LineOfCreditFacilityCurrentBorrowingCapacity" xlink:title="LineOfCreditFacilityCurrentBorrowingCapacity" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xml:lang="en-US" id="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl">Current borrowing capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:title="label: LineOfCreditFacilityCurrentBorrowingCapacity to us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityCommitmentFeePercentage" xlink:label="LineOfCreditFacilityCommitmentFeePercentage" xlink:title="LineOfCreditFacilityCommitmentFeePercentage" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xml:lang="en-US" id="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl">Commitment fee percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityCommitmentFeePercentage" xlink:to="us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" xlink:title="label: LineOfCreditFacilityCommitmentFeePercentage to us-gaap_LineOfCreditFacilityCommitmentFeePercentage_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding" xlink:label="LineOfCreditFacilityFairValueOfAmountOutstanding" xlink:title="LineOfCreditFacilityFairValueOfAmountOutstanding" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xml:lang="en-US" id="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl">Outstanding credit facility</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityFairValueOfAmountOutstanding" xlink:to="us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" xlink:title="label: LineOfCreditFacilityFairValueOfAmountOutstanding to us-gaap_LineOfCreditFacilityFairValueOfAmountOutstanding_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:title="LineOfCreditFacilityMaximumBorrowingCapacity" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US" id="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl">Maximum borrowing capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:title="label: LineOfCreditFacilityMaximumBorrowingCapacity to us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl1" xml:lang="en-US" id="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl1">Line of Credit Facility, Maximum Borrowing Capacity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl1" xlink:title="label: LineOfCreditFacilityMaximumBorrowingCapacity to us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:label="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:title="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl">Accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:to="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" xlink:title="label: LoansNotesTradeAndOtherReceivablesDisclosureTextBlock to us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl1">Loans, Notes, Trade and Other Receivables Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LoansNotesTradeAndOtherReceivablesDisclosureTextBlock" xlink:to="us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl1" xlink:title="label: LoansNotesTradeAndOtherReceivablesDisclosureTextBlock to us-gaap_LoansNotesTradeAndOtherReceivablesDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_LongTermDebtNoncurrent" xlink:label="LongTermDebtNoncurrent" xlink:title="LongTermDebtNoncurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_LongTermDebtNoncurrent_lbl" xml:lang="en-US" id="us-gaap_LongTermDebtNoncurrent_lbl">Long-term indebtedness</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl" xlink:title="label: LongTermDebtNoncurrent to us-gaap_LongTermDebtNoncurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_LongTermDebtNoncurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_LongTermDebtNoncurrent_lbl1" xml:lang="en-US" id="us-gaap_LongTermDebtNoncurrent_lbl1">Long-term Debt, Excluding Current Maturities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LongTermDebtNoncurrent" xlink:to="us-gaap_LongTermDebtNoncurrent_lbl1" xlink:title="label: LongTermDebtNoncurrent to us-gaap_LongTermDebtNoncurrent_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MajorCustomersPolicyPolicyTextBlock" xlink:label="MajorCustomersPolicyPolicyTextBlock" xlink:title="MajorCustomersPolicyPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MajorCustomersPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MajorCustomersPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_MajorCustomersPolicyPolicyTextBlock_lbl">Significant customers and accounts receivable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MajorCustomersPolicyPolicyTextBlock" xlink:to="us-gaap_MajorCustomersPolicyPolicyTextBlock_lbl" xlink:title="label: MajorCustomersPolicyPolicyTextBlock to us-gaap_MajorCustomersPolicyPolicyTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MaximumMember" xlink:label="MaximumMember" xlink:title="MaximumMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MaximumMember_lbl" xml:lang="en-US" id="us-gaap_MaximumMember_lbl">Maximum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MaximumMember" xlink:to="us-gaap_MaximumMember_lbl" xlink:title="label: MaximumMember to us-gaap_MaximumMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MinimumMember" xlink:label="MinimumMember" xlink:title="MinimumMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MinimumMember_lbl" xml:lang="en-US" id="us-gaap_MinimumMember_lbl">Minimum [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MinimumMember" xlink:to="us-gaap_MinimumMember_lbl" xlink:title="label: MinimumMember to us-gaap_MinimumMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_MovementInValuationAllowancesAndReservesRollForward" xlink:label="MovementInValuationAllowancesAndReservesRollForward" xlink:title="MovementInValuationAllowancesAndReservesRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" xml:lang="en-US" id="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl">Movement in Valuation Allowances and Reserves [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MovementInValuationAllowancesAndReservesRollForward" xlink:to="us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" xlink:title="label: MovementInValuationAllowancesAndReservesRollForward to us-gaap_MovementInValuationAllowancesAndReservesRollForward_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NatureOfOperations" xlink:label="NatureOfOperations" xlink:title="NatureOfOperations" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_NatureOfOperations_lbl" xml:lang="en-US" id="us-gaap_NatureOfOperations_lbl">Nature of the business and organization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl" xlink:title="label: NatureOfOperations to us-gaap_NatureOfOperations_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NatureOfOperations_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NatureOfOperations_lbl1" xml:lang="en-US" id="us-gaap_NatureOfOperations_lbl1">Nature of Operations [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NatureOfOperations" xlink:to="us-gaap_NatureOfOperations_lbl1" xlink:title="label: NatureOfOperations to us-gaap_NatureOfOperations_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl">Net increase (decrease) in cash and cash equivalents</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl1">Net Cash Provided by (Used in) Discontinued Operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInDiscontinuedOperations" xlink:to="us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl1" xlink:title="label: NetCashProvidedByUsedInDiscontinuedOperations to us-gaap_NetCashProvidedByUsedInDiscontinuedOperations_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:label="NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:title="NetCashProvidedByUsedInDiscontinuedOperationsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_lbl">Net Cash Provided by (Used in) Discontinued Operations [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInDiscontinuedOperationsAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_lbl" xlink:title="label: NetCashProvidedByUsedInDiscontinuedOperationsAbstract to us-gaap_NetCashProvidedByUsedInDiscontinuedOperationsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivities" xlink:label="NetCashProvidedByUsedInFinancingActivities" xlink:title="NetCashProvidedByUsedInFinancingActivities" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl">Net cash (used in) provided by financing activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:title="label: NetCashProvidedByUsedInFinancingActivities to us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1">Net Cash Provided by (Used in) Financing Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInFinancingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" xlink:title="label: NetCashProvidedByUsedInFinancingActivities to us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:title="NetCashProvidedByUsedInFinancingActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl">Cash flows from financing activities:</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl">Cash flows from operating activities:</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl">Net cash used in investing activities</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1">Net Cash Provided by (Used in) Investing Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInInvestingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" xlink:title="label: NetCashProvidedByUsedInInvestingActivities to us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl">Net cash provided by operating activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:title="label: NetCashProvidedByUsedInOperatingActivities to us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" xml:lang="en-US" id="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1">Net Cash Provided by (Used in) Operating Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetCashProvidedByUsedInOperatingActivities" xlink:to="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" xlink:title="label: NetCashProvidedByUsedInOperatingActivities to us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:label="NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:title="NetIncomeLossAvailableToCommonStockholdersBasicAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xml:lang="en-US" id="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl">Numerator [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:title="label: NetIncomeLossAvailableToCommonStockholdersBasicAbstract to us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl1" xml:lang="en-US" id="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl1">Net Income (Loss) Available to Common Stockholders, Basic [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLossAvailableToCommonStockholdersBasicAbstract" xlink:to="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl1" xlink:title="label: NetIncomeLossAvailableToCommonStockholdersBasicAbstract to us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NetIncomeLoss" xlink:label="NetIncomeLoss" xlink:title="NetIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl">Net income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_NetIncomeLoss_lbl1" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl1">Net income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl1" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_NetIncomeLoss_lbl2" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl2">Net income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl2" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NetIncomeLoss_lbl3" xml:lang="en-US" id="us-gaap_NetIncomeLoss_lbl3">Net Income (Loss) Attributable to Parent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_lbl3" xlink:title="label: NetIncomeLoss to us-gaap_NetIncomeLoss_lbl3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:label="NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:title="NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xml:lang="en-US" id="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl">New Accounting Pronouncements or Change in Accounting Principle [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NewAccountingPronouncementsOrChangeInAccountingPrincipleTable" xlink:to="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" xlink:title="label: NewAccountingPronouncementsOrChangeInAccountingPrincipleTable to us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:label="NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:title="NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_lbl" xml:lang="en-US" id="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_lbl">Offsetting reduction in retained earnings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1" xlink:to="us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_lbl" xlink:title="label: NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1 to us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleCumulativeEffectOfChangeOnEquityOrNetAssets1_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:title="NewAccountingPronouncementsPolicyPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl">Recently issued accounting standards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:title="label: NewAccountingPronouncementsPolicyPolicyTextBlock to us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:label="NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:title="NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xml:lang="en-US" id="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl">New Accounting Pronouncements or Change in Accounting Principle [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems" xlink:to="us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" xlink:title="label: NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems to us-gaap_NewAccountingPronouncementsOrChangeInAccountingPrincipleLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpense" xlink:label="NonoperatingIncomeExpense" xlink:title="NonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_NonoperatingIncomeExpense_lbl" xml:lang="en-US" id="us-gaap_NonoperatingIncomeExpense_lbl">Total other expense, net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl" xlink:title="label: NonoperatingIncomeExpense to us-gaap_NonoperatingIncomeExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NonoperatingIncomeExpense_lbl1" xml:lang="en-US" id="us-gaap_NonoperatingIncomeExpense_lbl1">Nonoperating Income (Expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpense" xlink:to="us-gaap_NonoperatingIncomeExpense_lbl1" xlink:title="label: NonoperatingIncomeExpense to us-gaap_NonoperatingIncomeExpense_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NonoperatingIncomeExpenseAbstract" xlink:label="NonoperatingIncomeExpenseAbstract" xlink:title="NonoperatingIncomeExpenseAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xml:lang="en-US" id="us-gaap_NonoperatingIncomeExpenseAbstract_lbl">Other income (expense):</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NonoperatingIncomeExpenseAbstract" xlink:to="us-gaap_NonoperatingIncomeExpenseAbstract_lbl" xlink:title="label: NonoperatingIncomeExpenseAbstract to us-gaap_NonoperatingIncomeExpenseAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NotesPayableCurrent" xlink:label="NotesPayableCurrent" xlink:title="NotesPayableCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NotesPayableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NotesPayableCurrent_lbl" xml:lang="en-US" id="us-gaap_NotesPayableCurrent_lbl">Notes payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NotesPayableCurrent" xlink:to="us-gaap_NotesPayableCurrent_lbl" xlink:title="label: NotesPayableCurrent to us-gaap_NotesPayableCurrent_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NumberOfReportableSegments" xlink:label="NumberOfReportableSegments" xlink:title="NumberOfReportableSegments" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NumberOfReportableSegments_lbl" xml:lang="en-US" id="us-gaap_NumberOfReportableSegments_lbl">Number of business segments</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_NumberOfReportableSegments_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_NumberOfReportableSegments_lbl1" xml:lang="en-US" id="us-gaap_NumberOfReportableSegments_lbl1">Number of reportable segments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfReportableSegments" xlink:to="us-gaap_NumberOfReportableSegments_lbl1" xlink:title="label: NumberOfReportableSegments to us-gaap_NumberOfReportableSegments_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_NoncontrollingInterestMember" xlink:label="NoncontrollingInterestMember" xlink:title="NoncontrollingInterestMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_NoncontrollingInterestMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_NoncontrollingInterestMember_lbl" xml:lang="en-US" id="us-gaap_NoncontrollingInterestMember_lbl">Noncontrolling Interest in Subsidiary [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestMember" xlink:to="us-gaap_NoncontrollingInterestMember_lbl" xlink:title="label: NoncontrollingInterestMember to us-gaap_NoncontrollingInterestMember_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="OperatingExpensesAbstract" xlink:title="OperatingExpensesAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xlink:title="label: OperatingExpensesAbstract to us-gaap_OperatingExpensesAbstract_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl">Minimum lease receipts</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals to us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl1">Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals to us-gaap_OperatingLeasesFutureMinimumPaymentsDueFutureMinimumSubleaseRentals_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLossCarryforwardsExpirationDate" xlink:label="OperatingLossCarryforwardsExpirationDate" xlink:title="OperatingLossCarryforwardsExpirationDate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl" xml:lang="en-US" id="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl">Operating loss carryforwards, expiration year</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsExpirationDate" xlink:to="us-gaap_OperatingLossCarryforwardsExpirationDate_lbl" xlink:title="label: OperatingLossCarryforwardsExpirationDate to us-gaap_OperatingLossCarryforwardsExpirationDate_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:label="OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:title="OperatingLeasesFutureMinimumPaymentsDueThereafter" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl">2022 and beyond</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueThereafter" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueThereafter to us-gaap_OperatingLeasesFutureMinimumPaymentsDueThereafter_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl">2018</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInTwoYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInTwoYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInTwoYears_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesRentExpenseNet" xlink:label="OperatingLeasesRentExpenseNet" xlink:title="OperatingLeasesRentExpenseNet" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesRentExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesRentExpenseNet_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesRentExpenseNet_lbl">Total lease expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesRentExpenseNet" xlink:to="us-gaap_OperatingLeasesRentExpenseNet_lbl" xlink:title="label: OperatingLeasesRentExpenseNet to us-gaap_OperatingLeasesRentExpenseNet_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:label="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:title="OperatingLeasesFutureMinimumPaymentsDueAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl">Future minimum lease payments under operating lease [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueAbstract" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueAbstract to us-gaap_OperatingLeasesFutureMinimumPaymentsDueAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDue" xlink:label="OperatingLeasesFutureMinimumPaymentsDue" xlink:title="OperatingLeasesFutureMinimumPaymentsDue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl">Total minimum lease payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDue to us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1">Operating Leases, Future Minimum Payments Due</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDue" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDue to us-gaap_OperatingLeasesFutureMinimumPaymentsDue_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:label="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:title="OperatingLeasesFutureMinimumPaymentsDueCurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl">2017</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueCurrent" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueCurrent to us-gaap_OperatingLeasesFutureMinimumPaymentsDueCurrent_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl">2021</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInFiveYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFiveYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFiveYears_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInFourYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl">2020</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInFourYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInFourYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInFourYears_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingIncomeLoss" xlink:label="OperatingIncomeLoss" xlink:title="OperatingIncomeLoss" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_OperatingIncomeLoss_lbl" xml:lang="en-US" id="us-gaap_OperatingIncomeLoss_lbl">Income from operations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl" xlink:title="label: OperatingIncomeLoss to us-gaap_OperatingIncomeLoss_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingIncomeLoss_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingIncomeLoss_lbl1" xml:lang="en-US" id="us-gaap_OperatingIncomeLoss_lbl1">Operating Income (Loss)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_lbl1" xlink:title="label: OperatingIncomeLoss to us-gaap_OperatingIncomeLoss_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:label="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:title="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl">2019</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueInThreeYears" xlink:to="us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueInThreeYears to us-gaap_OperatingLeasesFutureMinimumPaymentsDueInThreeYears_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLeasedAssetsLineItems" xlink:label="OperatingLeasedAssetsLineItems" xlink:title="OperatingLeasedAssetsLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLeasedAssetsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLeasedAssetsLineItems_lbl" xml:lang="en-US" id="us-gaap_OperatingLeasedAssetsLineItems_lbl">Operating Leased Assets [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasedAssetsLineItems" xlink:to="us-gaap_OperatingLeasedAssetsLineItems_lbl" xlink:title="label: OperatingLeasedAssetsLineItems to us-gaap_OperatingLeasedAssetsLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLossCarryforwards" xlink:label="OperatingLossCarryforwards" xlink:title="OperatingLossCarryforwards" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLossCarryforwards_lbl" xml:lang="en-US" id="us-gaap_OperatingLossCarryforwards_lbl">Net operating loss carryforwards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwards" xlink:to="us-gaap_OperatingLossCarryforwards_lbl" xlink:title="label: OperatingLossCarryforwards to us-gaap_OperatingLossCarryforwards_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLossCarryforwardsTable" xlink:label="OperatingLossCarryforwardsTable" xlink:title="OperatingLossCarryforwardsTable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLossCarryforwardsTable_lbl" xml:lang="en-US" id="us-gaap_OperatingLossCarryforwardsTable_lbl">Operating Loss Carryforwards [Table]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsTable" xlink:to="us-gaap_OperatingLossCarryforwardsTable_lbl" xlink:title="label: OperatingLossCarryforwardsTable to us-gaap_OperatingLossCarryforwardsTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OperatingLossCarryforwardsLineItems" xlink:label="OperatingLossCarryforwardsLineItems" xlink:title="OperatingLossCarryforwardsLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xml:lang="en-US" id="us-gaap_OperatingLossCarryforwardsLineItems_lbl">Operating Loss Carryforwards [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsLineItems" xlink:to="us-gaap_OperatingLossCarryforwardsLineItems_lbl" xlink:title="label: OperatingLossCarryforwardsLineItems to us-gaap_OperatingLossCarryforwardsLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:title="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US" id="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl">Nature of the business and organization [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:title="label: OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract to us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:label="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:title="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xml:lang="en-US" id="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl">Foreign currency translations, net of tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" xlink:title="label: OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl1" xml:lang="en-US" id="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl1">Foreign currency translation, net of tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax" xlink:to="us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl1" xlink:title="label: OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax to us-gaap_OtherComprehensiveIncomeLossForeignCurrencyTransactionAndTranslationAdjustmentNetOfTax_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherRestructuringMember" xlink:label="OtherRestructuringMember" xlink:title="OtherRestructuringMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherRestructuringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherRestructuringMember_lbl" xml:lang="en-US" id="us-gaap_OtherRestructuringMember_lbl">Other Costs [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherRestructuringMember" xlink:to="us-gaap_OtherRestructuringMember_lbl" xlink:title="label: OtherRestructuringMember to us-gaap_OtherRestructuringMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNoncashIncomeExpense" xlink:label="OtherNoncashIncomeExpense" xlink:title="OtherNoncashIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_OtherNoncashIncomeExpense_lbl" xml:lang="en-US" id="us-gaap_OtherNoncashIncomeExpense_lbl">Other</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashIncomeExpense" xlink:to="us-gaap_OtherNoncashIncomeExpense_lbl" xlink:title="label: OtherNoncashIncomeExpense to us-gaap_OtherNoncashIncomeExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNoncashIncomeExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNoncashIncomeExpense_lbl1" xml:lang="en-US" id="us-gaap_OtherNoncashIncomeExpense_lbl1">Other Noncash Income (Expense)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashIncomeExpense" xlink:to="us-gaap_OtherNoncashIncomeExpense_lbl1" xlink:title="label: OtherNoncashIncomeExpense to us-gaap_OtherNoncashIncomeExpense_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherAssetsNoncurrent" xlink:label="OtherAssetsNoncurrent" xlink:title="OtherAssetsNoncurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherAssetsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherAssetsNoncurrent_lbl" xml:lang="en-US" id="us-gaap_OtherAssetsNoncurrent_lbl">Other assets</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherAssetsNoncurrent" xlink:to="us-gaap_OtherAssetsNoncurrent_lbl" xlink:title="label: OtherAssetsNoncurrent to us-gaap_OtherAssetsNoncurrent_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherDepreciationAndAmortization" xlink:label="OtherDepreciationAndAmortization" xlink:title="OtherDepreciationAndAmortization" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherDepreciationAndAmortization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_OtherDepreciationAndAmortization_lbl" xml:lang="en-US" id="us-gaap_OtherDepreciationAndAmortization_lbl">Depreciation and amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherDepreciationAndAmortization" xlink:to="us-gaap_OtherDepreciationAndAmortization_lbl" xlink:title="label: OtherDepreciationAndAmortization to us-gaap_OtherDepreciationAndAmortization_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherDepreciationAndAmortization_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherDepreciationAndAmortization_lbl1" xml:lang="en-US" id="us-gaap_OtherDepreciationAndAmortization_lbl1">Other Depreciation and Amortization</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherDepreciationAndAmortization" xlink:to="us-gaap_OtherDepreciationAndAmortization_lbl1" xlink:title="label: OtherDepreciationAndAmortization to us-gaap_OtherDepreciationAndAmortization_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherLiabilitiesNoncurrent" xlink:label="OtherLiabilitiesNoncurrent" xlink:title="OtherLiabilitiesNoncurrent" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherLiabilitiesNoncurrent_lbl" xml:lang="en-US" id="us-gaap_OtherLiabilitiesNoncurrent_lbl">Other liabilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherLiabilitiesNoncurrent" xlink:to="us-gaap_OtherLiabilitiesNoncurrent_lbl" xlink:title="label: OtherLiabilitiesNoncurrent to us-gaap_OtherLiabilitiesNoncurrent_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNonoperatingIncomeExpense" xlink:label="OtherNonoperatingIncomeExpense" xlink:title="OtherNonoperatingIncomeExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNonoperatingIncomeExpense_lbl" xml:lang="en-US" id="us-gaap_OtherNonoperatingIncomeExpense_lbl">Other income (expense), net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_lbl" xlink:title="label: OtherNonoperatingIncomeExpense to us-gaap_OtherNonoperatingIncomeExpense_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract" xlink:label="OtherNoncashInvestingAndFinancingItemsAbstract" xlink:title="OtherNoncashInvestingAndFinancingItemsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl" xml:lang="en-US" id="us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl">Supplemental information on non-cash investing and financing activities:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OtherNoncashInvestingAndFinancingItemsAbstract" xlink:to="us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl" xlink:title="label: OtherNoncashInvestingAndFinancingItemsAbstract to us-gaap_OtherNoncashInvestingAndFinancingItemsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductsAndServicesDomain" xlink:label="ProductsAndServicesDomain" xlink:title="ProductsAndServicesDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProductsAndServicesDomain_lbl" xml:lang="en-US" id="us-gaap_ProductsAndServicesDomain_lbl">Products and Services [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProductsAndServicesDomain" xlink:to="us-gaap_ProductsAndServicesDomain_lbl" xlink:title="label: ProductsAndServicesDomain to us-gaap_ProductsAndServicesDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:label="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:title="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xml:lang="en-US" id="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl">Taxes paid on behalf of employees for equity activity</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:title="label: PaymentsRelatedToTaxWithholdingForShareBasedCompensation to us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl1" xml:lang="en-US" id="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl1">Payments Related to Tax Withholding for Share-based Compensation</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsRelatedToTaxWithholdingForShareBasedCompensation" xlink:to="us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl1" xlink:title="label: PaymentsRelatedToTaxWithholdingForShareBasedCompensation to us-gaap_PaymentsRelatedToTaxWithholdingForShareBasedCompensation_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsOfDebtIssuanceCosts" xlink:label="PaymentsOfDebtIssuanceCosts" xlink:title="PaymentsOfDebtIssuanceCosts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xml:lang="en-US" id="us-gaap_PaymentsOfDebtIssuanceCosts_lbl">Debt issuance costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl" xlink:title="label: PaymentsOfDebtIssuanceCosts to us-gaap_PaymentsOfDebtIssuanceCosts_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" xml:lang="en-US" id="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1">Payments of Debt Issuance Costs</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsOfDebtIssuanceCosts" xlink:to="us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" xlink:title="label: PaymentsOfDebtIssuanceCosts to us-gaap_PaymentsOfDebtIssuanceCosts_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRestructuring" xlink:label="PaymentsForRestructuring" xlink:title="PaymentsForRestructuring" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRestructuring_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsForRestructuring_lbl" xml:lang="en-US" id="us-gaap_PaymentsForRestructuring_lbl">Amount paid</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsForRestructuring" xlink:to="us-gaap_PaymentsForRestructuring_lbl" xlink:title="label: PaymentsForRestructuring to us-gaap_PaymentsForRestructuring_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRestructuring_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsForRestructuring_lbl1" xml:lang="en-US" id="us-gaap_PaymentsForRestructuring_lbl1">Payments for Restructuring</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsForRestructuring" xlink:to="us-gaap_PaymentsForRestructuring_lbl1" xlink:title="label: PaymentsForRestructuring to us-gaap_PaymentsForRestructuring_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsForRepurchaseOfCommonStock" xlink:label="PaymentsForRepurchaseOfCommonStock" xlink:title="PaymentsForRepurchaseOfCommonStock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xml:lang="en-US" id="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl">Purchase of treasury stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:title="label: PaymentsForRepurchaseOfCommonStock to us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" xml:lang="en-US" id="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1">Payments for Repurchase of Common Stock</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsForRepurchaseOfCommonStock" xlink:to="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" xlink:title="label: PaymentsForRepurchaseOfCommonStock to us-gaap_PaymentsForRepurchaseOfCommonStock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:label="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:title="PaymentsToAcquireBusinessesNetOfCashAcquired" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl">Acquisitions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" xlink:title="label: PaymentsToAcquireBusinessesNetOfCashAcquired to us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl1">Payments to Acquire Businesses, Net of Cash Acquired</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireBusinessesNetOfCashAcquired" xlink:to="us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl1" xlink:title="label: PaymentsToAcquireBusinessesNetOfCashAcquired to us-gaap_PaymentsToAcquireBusinessesNetOfCashAcquired_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquireBusinessesGross" xlink:label="PaymentsToAcquireBusinessesGross" xlink:title="PaymentsToAcquireBusinessesGross" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquireBusinessesGross_lbl">Amount of cash paid to Sanofi</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireBusinessesGross" xlink:to="us-gaap_PaymentsToAcquireBusinessesGross_lbl" xlink:title="label: PaymentsToAcquireBusinessesGross to us-gaap_PaymentsToAcquireBusinessesGross_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireBusinessesGross_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquireBusinessesGross_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquireBusinessesGross_lbl1">Payments to Acquire Businesses, Gross</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquireBusinessesGross" xlink:to="us-gaap_PaymentsToAcquireBusinessesGross_lbl1" xlink:title="label: PaymentsToAcquireBusinessesGross to us-gaap_PaymentsToAcquireBusinessesGross_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PaymentsToAcquirePropertyPlantAndEquipment" xlink:label="PaymentsToAcquirePropertyPlantAndEquipment" xlink:title="PaymentsToAcquirePropertyPlantAndEquipment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xml:lang="en-US" id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl">Purchases of property, plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xml:lang="en-US" id="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1">Payments to Acquire Property, Plant, and Equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PaymentsToAcquirePropertyPlantAndEquipment" xlink:to="us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" xlink:title="label: PaymentsToAcquirePropertyPlantAndEquipment to us-gaap_PaymentsToAcquirePropertyPlantAndEquipment_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:label="PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:title="PensionAndOtherPostretirementBenefitsDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl">401(k) savings plan</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" xlink:title="label: PensionAndOtherPostretirementBenefitsDisclosureTextBlock to us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl1">Pension and Other Postretirement Benefits Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PensionAndOtherPostretirementBenefitsDisclosureTextBlock" xlink:to="us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl1" xlink:title="label: PensionAndOtherPostretirementBenefitsDisclosureTextBlock to us-gaap_PensionAndOtherPostretirementBenefitsDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameAxis" xlink:label="PlanNameAxis" xlink:title="PlanNameAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PlanNameAxis_lbl" xml:lang="en-US" id="us-gaap_PlanNameAxis_lbl">Plan Name [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameAxis" xlink:to="us-gaap_PlanNameAxis_lbl" xlink:title="label: PlanNameAxis to us-gaap_PlanNameAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PlanNameDomain" xlink:label="PlanNameDomain" xlink:title="PlanNameDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PlanNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PlanNameDomain_lbl" xml:lang="en-US" id="us-gaap_PlanNameDomain_lbl">Plan Name [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PlanNameDomain" xlink:to="us-gaap_PlanNameDomain_lbl" xlink:title="label: PlanNameDomain to us-gaap_PlanNameDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:label="PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract" xlink:title="PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract_lbl" xml:lang="en-US" id="us-gaap_PreferredStockNumberOfSharesParValueAndOtherDisclosuresAbstract_lbl">Preferred stock [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProductOrServiceAxis" xlink:label="ProductOrServiceAxis" xlink:title="ProductOrServiceAxis" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProfitLoss" xlink:label="ProfitLoss" xlink:title="ProfitLoss" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl" xlink:title="label: ProfitLoss to us-gaap_ProfitLoss_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProfitLoss_lbl1" xml:lang="en-US" id="us-gaap_ProfitLoss_lbl1">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProfitLoss" xlink:to="us-gaap_ProfitLoss_lbl1" xlink:title="label: ProfitLoss to us-gaap_ProfitLoss_lbl1" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentEstimatedUsefulLives_lbl1">Property, Plant and Equipment, Estimated Useful Lives</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl">Property, plant and equipment</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1">Property, Plant and Equipment Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" xlink:title="label: PropertyPlantAndEquipmentDisclosureTextBlock to us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentLineItems" xlink:label="PropertyPlantAndEquipmentLineItems" xlink:title="PropertyPlantAndEquipmentLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentLineItems_lbl">Property, Plant and Equipment [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentLineItems" xlink:to="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xlink:title="label: PropertyPlantAndEquipmentLineItems to us-gaap_PropertyPlantAndEquipmentLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentUsefulLife" xlink:label="PropertyPlantAndEquipmentUsefulLife" xlink:title="PropertyPlantAndEquipmentUsefulLife" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl">Estimated useful lives</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentUsefulLife" xlink:to="us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" xlink:title="label: PropertyPlantAndEquipmentUsefulLife to us-gaap_PropertyPlantAndEquipmentUsefulLife_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentByTypeAxis" xlink:label="PropertyPlantAndEquipmentByTypeAxis" xlink:title="PropertyPlantAndEquipmentByTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl">Property, Plant and Equipment, Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentByTypeAxis" xlink:to="us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" xlink:title="label: PropertyPlantAndEquipmentByTypeAxis to us-gaap_PropertyPlantAndEquipmentByTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTypeDomain" xlink:label="PropertyPlantAndEquipmentTypeDomain" xlink:title="PropertyPlantAndEquipmentTypeDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xml:lang="en-US" id="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl">Property, Plant and Equipment, Type [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentTypeDomain" xlink:to="us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" xlink:title="label: PropertyPlantAndEquipmentTypeDomain to us-gaap_PropertyPlantAndEquipmentTypeDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ProvisionForDoubtfulAccounts" xlink:label="ProvisionForDoubtfulAccounts" xlink:title="ProvisionForDoubtfulAccounts" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US" id="us-gaap_ProvisionForDoubtfulAccounts_lbl">Bad debt expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:title="label: ProvisionForDoubtfulAccounts to us-gaap_ProvisionForDoubtfulAccounts_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialInformationTextBlock" xlink:label="QuarterlyFinancialInformationTextBlock" xlink:title="QuarterlyFinancialInformationTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xml:lang="en-US" id="us-gaap_QuarterlyFinancialInformationTextBlock_lbl">Quarterly financial data (unaudited)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl" xlink:title="label: QuarterlyFinancialInformationTextBlock to us-gaap_QuarterlyFinancialInformationTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" xml:lang="en-US" id="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1">Quarterly Financial Information [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationTextBlock" xlink:to="us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" xlink:title="label: QuarterlyFinancialInformationTextBlock to us-gaap_QuarterlyFinancialInformationTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_QuarterlyFinancialInformationDisclosureAbstract" xlink:label="QuarterlyFinancialInformationDisclosureAbstract" xlink:title="QuarterlyFinancialInformationDisclosureAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xml:lang="en-US" id="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl">Quarterly financial data (unaudited) [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QuarterlyFinancialInformationDisclosureAbstract" xlink:to="us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" xlink:title="label: QuarterlyFinancialInformationDisclosureAbstract to us-gaap_QuarterlyFinancialInformationDisclosureAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeMember" xlink:label="RangeMember" xlink:title="RangeMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RangeMember_lbl" xml:lang="en-US" id="us-gaap_RangeMember_lbl">Range [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeMember" xlink:to="us-gaap_RangeMember_lbl" xlink:title="label: RangeMember to us-gaap_RangeMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RangeAxis" xlink:label="RangeAxis" xlink:title="RangeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RangeAxis_lbl" xml:lang="en-US" id="us-gaap_RangeAxis_lbl">Range [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RangeAxis" xlink:to="us-gaap_RangeAxis_lbl" xlink:title="label: RangeAxis to us-gaap_RangeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesBillingStatusDomain" xlink:label="ReceivablesBillingStatusDomain" xlink:title="ReceivablesBillingStatusDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReceivablesBillingStatusDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ReceivablesBillingStatusDomain_lbl" xml:lang="en-US" id="us-gaap_ReceivablesBillingStatusDomain_lbl">Receivables Billing Status [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReceivablesBillingStatusDomain" xlink:to="us-gaap_ReceivablesBillingStatusDomain_lbl" xlink:title="label: ReceivablesBillingStatusDomain to us-gaap_ReceivablesBillingStatusDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReceivablesAbstract" xlink:label="ReceivablesAbstract" xlink:title="ReceivablesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ReceivablesAbstract_lbl" xml:lang="en-US" id="us-gaap_ReceivablesAbstract_lbl">Accounts receivable [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReceivablesAbstract" xlink:to="us-gaap_ReceivablesAbstract_lbl" xlink:title="label: ReceivablesAbstract to us-gaap_ReceivablesAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:label="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:title="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xml:lang="en-US" id="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl">Gross unrecognized tax benefits activity [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward" xlink:to="us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" xlink:title="label: ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward to us-gaap_ReconciliationOfUnrecognizedTaxBenefitsExcludingAmountsPertainingToExaminedTaxReturnsRollForward_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionRate" xlink:label="RelatedPartyTransactionRate" xlink:title="RelatedPartyTransactionRate" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionRate_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionRate_lbl">Percentage of net sales of biodefense products subject to payment to related party</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionRate" xlink:to="us-gaap_RelatedPartyTransactionRate_lbl" xlink:title="label: RelatedPartyTransactionRate to us-gaap_RelatedPartyTransactionRate_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionAmountsOfTransaction" xlink:label="RelatedPartyTransactionAmountsOfTransaction" xlink:title="RelatedPartyTransactionAmountsOfTransaction" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl">Costs incurred from services rendered under marketing/consulting agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionAmountsOfTransaction" xlink:to="us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" xlink:title="label: RelatedPartyTransactionAmountsOfTransaction to us-gaap_RelatedPartyTransactionAmountsOfTransaction_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionLineItems" xlink:label="RelatedPartyTransactionLineItems" xlink:title="RelatedPartyTransactionLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionLineItems_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionLineItems_lbl">Related Party Transaction [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionLineItems" xlink:to="us-gaap_RelatedPartyTransactionLineItems_lbl" xlink:title="label: RelatedPartyTransactionLineItems to us-gaap_RelatedPartyTransactionLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsDisclosureTextBlock" xlink:label="RelatedPartyTransactionsDisclosureTextBlock" xlink:title="RelatedPartyTransactionsDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl">Related party transactions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" xlink:title="label: RelatedPartyTransactionsDisclosureTextBlock to us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl1" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl1">Related Party Transactions Disclosure [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsDisclosureTextBlock" xlink:to="us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl1" xlink:title="label: RelatedPartyTransactionsDisclosureTextBlock to us-gaap_RelatedPartyTransactionsDisclosureTextBlock_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionsAbstract" xlink:label="RelatedPartyTransactionsAbstract" xlink:title="RelatedPartyTransactionsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionsAbstract_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionsAbstract_lbl">Related party transactions [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionsAbstract" xlink:to="us-gaap_RelatedPartyTransactionsAbstract_lbl" xlink:title="label: RelatedPartyTransactionsAbstract to us-gaap_RelatedPartyTransactionsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:label="RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:title="RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xml:lang="en-US" id="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl">Expenses incurred under agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty" xlink:to="us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" xlink:title="label: RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty to us-gaap_RelatedPartyTransactionExpensesFromTransactionsWithRelatedParty_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RepaymentsOfNotesPayable" xlink:label="RepaymentsOfNotesPayable" xlink:title="RepaymentsOfNotesPayable" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_RepaymentsOfNotesPayable_lbl" xml:lang="en-US" id="us-gaap_RepaymentsOfNotesPayable_lbl">Payments of notes payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_lbl" xlink:title="label: RepaymentsOfNotesPayable to us-gaap_RepaymentsOfNotesPayable_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RepaymentsOfNotesPayable_lbl1" xml:lang="en-US" id="us-gaap_RepaymentsOfNotesPayable_lbl1">Repayments of Notes Payable</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_lbl1" xlink:title="label: RepaymentsOfNotesPayable to us-gaap_RepaymentsOfNotesPayable_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResearchAndDevelopmentExpenseMember" xlink:label="ResearchAndDevelopmentExpenseMember" xlink:title="ResearchAndDevelopmentExpenseMember" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpenseMember" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember_lbl" xlink:title="label: ResearchAndDevelopmentExpenseMember to us-gaap_ResearchAndDevelopmentExpenseMember_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpenseMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentExpenseMember_lbl1" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentExpenseMember_lbl1">Research and Development Expense [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpenseMember" xlink:to="us-gaap_ResearchAndDevelopmentExpenseMember_lbl1" xlink:title="label: ResearchAndDevelopmentExpenseMember to us-gaap_ResearchAndDevelopmentExpenseMember_lbl1" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" xlink:title="label: ResearchAndDevelopmentExpensePolicy to us-gaap_ResearchAndDevelopmentExpensePolicy_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl1" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl1">Research and Development Expense, Policy [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpensePolicy" xlink:to="us-gaap_ResearchAndDevelopmentExpensePolicy_lbl1" xlink:title="label: ResearchAndDevelopmentExpensePolicy to us-gaap_ResearchAndDevelopmentExpensePolicy_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResearchMember" xlink:label="ResearchMember" xlink:title="ResearchMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResearchMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchMember_lbl" xml:lang="en-US" id="us-gaap_ResearchMember_lbl">Research and Development Tax Credit [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchMember" xlink:to="us-gaap_ResearchMember_lbl" xlink:title="label: ResearchMember to us-gaap_ResearchMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="ResearchAndDevelopmentExpense" xlink:title="ResearchAndDevelopmentExpense" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US" id="us-gaap_ResearchAndDevelopmentExpense_lbl">Research and development</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:title="label: ResearchAndDevelopmentExpense to us-gaap_ResearchAndDevelopmentExpense_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedStockUnitsRSUMember" xlink:label="RestrictedStockUnitsRSUMember" xlink:title="RestrictedStockUnitsRSUMember" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestrictedStockUnitsRSUMember_lbl" xml:lang="en-US" id="us-gaap_RestrictedStockUnitsRSUMember_lbl">Restricted Stock Units (RSUs) [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedStockUnitsRSUMember" xlink:to="us-gaap_RestrictedStockUnitsRSUMember_lbl" xlink:title="label: RestrictedStockUnitsRSUMember to us-gaap_RestrictedStockUnitsRSUMember_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:label="RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:title="RestrictedCashAndCashEquivalentsAtCarryingValue" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US" id="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl">Restricted cash</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xlink:title="label: RestrictedCashAndCashEquivalentsAtCarryingValue to us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringPlanAxis" xlink:label="RestructuringPlanAxis" xlink:title="RestructuringPlanAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringPlanAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringPlanAxis_lbl" xml:lang="en-US" id="us-gaap_RestructuringPlanAxis_lbl">Restructuring Plan [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringPlanAxis" xlink:to="us-gaap_RestructuringPlanAxis_lbl" xlink:title="label: RestructuringPlanAxis to us-gaap_RestructuringPlanAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringPlanDomain" xlink:label="RestructuringPlanDomain" xlink:title="RestructuringPlanDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringPlanDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringPlanDomain_lbl" xml:lang="en-US" id="us-gaap_RestructuringPlanDomain_lbl">Restructuring Plan [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringPlanDomain" xlink:to="us-gaap_RestructuringPlanDomain_lbl" xlink:title="label: RestructuringPlanDomain to us-gaap_RestructuringPlanDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCharges" xlink:label="RestructuringCharges" xlink:title="RestructuringCharges" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_RestructuringCharges_lbl" xml:lang="en-US" id="us-gaap_RestructuringCharges_lbl">Expenses incurred</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringCharges" xlink:to="us-gaap_RestructuringCharges_lbl" xlink:title="label: RestructuringCharges to us-gaap_RestructuringCharges_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringCharges_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringCharges_lbl1" xml:lang="en-US" id="us-gaap_RestructuringCharges_lbl1">Restructuring Charges</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringCharges" xlink:to="us-gaap_RestructuringCharges_lbl1" xlink:title="label: RestructuringCharges to us-gaap_RestructuringCharges_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserveTranslationAndOtherAdjustment" xlink:label="RestructuringReserveTranslationAndOtherAdjustment" xlink:title="RestructuringReserveTranslationAndOtherAdjustment" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringReserveTranslationAndOtherAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringReserveTranslationAndOtherAdjustment_lbl" xml:lang="en-US" id="us-gaap_RestructuringReserveTranslationAndOtherAdjustment_lbl">Other adjustments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringReserveTranslationAndOtherAdjustment" xlink:to="us-gaap_RestructuringReserveTranslationAndOtherAdjustment_lbl" xlink:title="label: RestructuringReserveTranslationAndOtherAdjustment to us-gaap_RestructuringReserveTranslationAndOtherAdjustment_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:label="RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:title="RestructuringAndRelatedActivitiesDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl">Restructuring</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringAndRelatedActivitiesDisclosureTextBlock" xlink:to="us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" xlink:title="label: RestructuringAndRelatedActivitiesDisclosureTextBlock to us-gaap_RestructuringAndRelatedActivitiesDisclosureTextBlock_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCostAndReserveAxis" xlink:label="RestructuringCostAndReserveAxis" xlink:title="RestructuringCostAndReserveAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringCostAndReserveAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringCostAndReserveAxis_lbl" xml:lang="en-US" id="us-gaap_RestructuringCostAndReserveAxis_lbl">Restructuring Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringCostAndReserveAxis" xlink:to="us-gaap_RestructuringCostAndReserveAxis_lbl" xlink:title="label: RestructuringCostAndReserveAxis to us-gaap_RestructuringCostAndReserveAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringAndRelatedActivitiesAbstract" xlink:label="RestructuringAndRelatedActivitiesAbstract" xlink:title="RestructuringAndRelatedActivitiesAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xml:lang="en-US" id="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl">Restructuring [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringAndRelatedActivitiesAbstract" xlink:to="us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" xlink:title="label: RestructuringAndRelatedActivitiesAbstract to us-gaap_RestructuringAndRelatedActivitiesAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringReserve" xlink:label="RestructuringReserve" xlink:title="RestructuringReserve" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringReserve_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_RestructuringReserve_lbl" xml:lang="en-US" id="us-gaap_RestructuringReserve_lbl">Balance, end of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringReserve" xlink:to="us-gaap_RestructuringReserve_lbl" xlink:title="label: RestructuringReserve to us-gaap_RestructuringReserve_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringReserve_lbl1" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:title="us-gaap_RestructuringReserve_lbl1" xml:lang="en-US" id="us-gaap_RestructuringReserve_lbl1">Balance, beginning of period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringReserve" xlink:to="us-gaap_RestructuringReserve_lbl1" xlink:title="label: RestructuringReserve to us-gaap_RestructuringReserve_lbl1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringReserve_lbl2" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringReserve_lbl2" xml:lang="en-US" id="us-gaap_RestructuringReserve_lbl2">Restructuring Reserve</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringReserve" xlink:to="us-gaap_RestructuringReserve_lbl2" xlink:title="label: RestructuringReserve to us-gaap_RestructuringReserve_lbl2" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringReserveRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringReserveRollForward_lbl" xml:lang="en-US" id="us-gaap_RestructuringReserveRollForward_lbl">Summary of activity for liabilities [Roll Forward]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringReserveRollForward" xlink:to="us-gaap_RestructuringReserveRollForward_lbl" xlink:title="label: RestructuringReserveRollForward to us-gaap_RestructuringReserveRollForward_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_RestructuringCostAndReserveLineItems" xlink:label="RestructuringCostAndReserveLineItems" xlink:title="RestructuringCostAndReserveLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_RestructuringCostAndReserveLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RestructuringCostAndReserveLineItems_lbl" xml:lang="en-US" id="us-gaap_RestructuringCostAndReserveLineItems_lbl">Restructuring Cost and Reserve [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RestructuringCostAndReserveLineItems" xlink:to="us-gaap_RestructuringCostAndReserveLineItems_lbl" xlink:title="label: RestructuringCostAndReserveLineItems to us-gaap_RestructuringCostAndReserveLineItems_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US" id="us-gaap_RetainedEarningsMember_lbl">Retained Earnings [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" xlink:title="label: RetainedEarningsMember to us-gaap_RetainedEarningsMember_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RevenueRecognitionAbstract_lbl" xml:lang="en-US" id="us-gaap_RevenueRecognitionAbstract_lbl">Revenue Recognition [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevenueRecognitionAbstract" xlink:to="us-gaap_RevenueRecognitionAbstract_lbl" xlink:title="label: RevenueRecognitionAbstract to us-gaap_RevenueRecognitionAbstract_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US" id="us-gaap_RevenueRecognitionPolicyTextBlock_lbl">Revenue recognition</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US" id="us-gaap_RevolvingCreditFacilityMember_lbl">Revolving Credit Facility [Member]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsForfeituresWeightedAverageGrantDateFairValue" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:label="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:title="ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StatementOfStockholdersEquityAbstract" xlink:to="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:title="label: StatementOfStockholdersEquityAbstract to us-gaap_StatementOfStockholdersEquityAbstract_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="us-gaap_StockRepurchasedDuringPeriodShares_lbl" xml:lang="en-US" id="us-gaap_StockRepurchasedDuringPeriodShares_lbl">Treasury stock (in shares)</link:label>
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl1" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl1" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl2" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:title="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl2" xml:lang="en-US" id="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl2">Balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl2" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl2" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl3" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl3" xml:lang="en-US" id="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl3">Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl3" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest to us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl3" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:label="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:title="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract" xlink:to="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xlink:title="label: StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract to us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" />
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:label="StockholdersEquityNoteDisclosureTextBlock" xlink:title="StockholdersEquityNoteDisclosureTextBlock" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl">Stockholders' equity</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_StockholdersEquityNoteAbstract" xlink:label="StockholdersEquityNoteAbstract" xlink:title="StockholdersEquityNoteAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_StockholdersEquityNoteAbstract_lbl" xml:lang="en-US" id="us-gaap_StockholdersEquityNoteAbstract_lbl">Stockholders' equity [Abstract]</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="SupplementalCashFlowInformationAbstract" xlink:title="SupplementalCashFlowInformationAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US" id="us-gaap_SupplementalCashFlowInformationAbstract_lbl">Supplemental disclosure of cash flow information:</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:title="label: SupplementalCashFlowInformationAbstract to us-gaap_SupplementalCashFlowInformationAbstract_lbl" />
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    <link:label xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_TaxCreditCarryforwardNameDomain_lbl" xml:lang="en-US" id="us-gaap_TaxCreditCarryforwardNameDomain_lbl">Tax Credit Carryforward, Name [Domain]</link:label>
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    <link:label xlink:type="resource" xlink:label="us-gaap_TaxCreditCarryforwardExpirationDate_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_TaxCreditCarryforwardExpirationDate_lbl1" xml:lang="en-US" id="us-gaap_TaxCreditCarryforwardExpirationDate_lbl1">Tax Credit Carryforward, Expiration Date</link:label>
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    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_TaxCreditCarryforwardTable" xlink:label="TaxCreditCarryforwardTable" xlink:title="TaxCreditCarryforwardTable" />
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    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAndQualifyingAccountsDisclosureTable" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" xlink:title="label: ValuationAndQualifyingAccountsDisclosureTable to us-gaap_ValuationAndQualifyingAccountsDisclosureTable_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAllowancesAndReservesTypeAxis" xlink:label="ValuationAllowancesAndReservesTypeAxis" xlink:title="ValuationAllowancesAndReservesTypeAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl">Valuation Allowances and Reserves Type [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesTypeAxis" xlink:to="us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" xlink:title="label: ValuationAllowancesAndReservesTypeAxis to us-gaap_ValuationAllowancesAndReservesTypeAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsAbstract" xlink:label="ValuationAndQualifyingAccountsAbstract" xlink:title="ValuationAndQualifyingAccountsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xml:lang="en-US" id="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl">Schedule II - Valuation and Qualifying Accounts [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAndQualifyingAccountsAbstract" xlink:to="us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" xlink:title="label: ValuationAndQualifyingAccountsAbstract to us-gaap_ValuationAndQualifyingAccountsAbstract_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems" xlink:label="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:title="ValuationAndQualifyingAccountsDisclosureLineItems" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xml:lang="en-US" id="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl">Valuation and Qualifying Accounts Disclosure [Line Items]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAndQualifyingAccountsDisclosureLineItems" xlink:to="us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" xlink:title="label: ValuationAndQualifyingAccountsDisclosureLineItems to us-gaap_ValuationAndQualifyingAccountsDisclosureLineItems_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_ValuationAllowancesAndReservesDeductions" xlink:label="ValuationAllowancesAndReservesDeductions" xlink:title="ValuationAllowancesAndReservesDeductions" />
    <link:label xlink:type="resource" xlink:label="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xml:lang="en-US" id="us-gaap_ValuationAllowancesAndReservesDeductions_lbl">Deductions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValuationAllowancesAndReservesDeductions" xlink:to="us-gaap_ValuationAllowancesAndReservesDeductions_lbl" xlink:title="label: ValuationAllowancesAndReservesDeductions to us-gaap_ValuationAllowancesAndReservesDeductions_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateDomain" xlink:label="VariableRateDomain" xlink:title="VariableRateDomain" />
    <link:label xlink:type="resource" xlink:label="us-gaap_VariableRateDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_VariableRateDomain_lbl" xml:lang="en-US" id="us-gaap_VariableRateDomain_lbl">Variable Rate [Domain]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VariableRateDomain" xlink:to="us-gaap_VariableRateDomain_lbl" xlink:title="label: VariableRateDomain to us-gaap_VariableRateDomain_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_VariableRateAxis" xlink:label="VariableRateAxis" xlink:title="VariableRateAxis" />
    <link:label xlink:type="resource" xlink:label="us-gaap_VariableRateAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_VariableRateAxis_lbl" xml:lang="en-US" id="us-gaap_VariableRateAxis_lbl">Variable Rate [Axis]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="VariableRateAxis" xlink:to="us-gaap_VariableRateAxis_lbl" xlink:title="label: VariableRateAxis to us-gaap_VariableRateAxis_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:label="WeightedAverageNumberOfSharesOutstandingBasic" xlink:title="WeightedAverageNumberOfSharesOutstandingBasic" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl">Weighted-average number of shares - basic (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:title="label: WeightedAverageNumberOfSharesOutstandingBasic to us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1">Weighted-average number of shares-basic (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" xlink:title="label: WeightedAverageNumberOfSharesOutstandingBasic to us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:label="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:title="WeightedAverageNumberOfDilutedSharesOutstanding" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl">Weighted-average number of shares - diluted (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:title="label: WeightedAverageNumberOfDilutedSharesOutstanding to us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:title="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1">Weighted-average number of shares-diluted (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" xlink:title="label: WeightedAverageNumberOfDilutedSharesOutstanding to us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.fasb.org/us-gaap/2017/elts/us-gaap-2017-01-31.xsd#us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:label="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:title="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl">Denominator [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" xlink:title="label: WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract to us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl" />
    <link:label xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl1" xml:lang="en-US" id="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl1">Weighted Average Number of Shares Outstanding Reconciliation [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl1" xlink:title="label: WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract to us-gaap_WeightedAverageNumberOfSharesOutstandingDilutedDisclosureItemsAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_AE" xlink:label="AE" xlink:title="AE" />
    <link:label xlink:type="resource" xlink:label="country_AE_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="country_AE_lbl" xml:lang="en-US" id="country_AE_lbl">United Arab Emirates [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AE" xlink:to="country_AE_lbl" xlink:title="label: AE to country_AE_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_QA" xlink:label="QA" xlink:title="QA" />
    <link:label xlink:type="resource" xlink:label="country_QA_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="country_QA_lbl" xml:lang="en-US" id="country_QA_lbl">Qatar [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="QA" xlink:to="country_QA_lbl" xlink:title="label: QA to country_QA_lbl" />
    <link:loc xlink:type="locator" xlink:href="http://xbrl.sec.gov/country/2017/country-2017-01-31.xsd#country_SA" xlink:label="SA" xlink:title="SA" />
    <link:label xlink:type="resource" xlink:label="country_SA_lbl" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="country_SA_lbl" xml:lang="en-US" id="country_SA_lbl">Saudi Arabia [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SA" xlink:to="country_SA_lbl" xlink:title="label: SA to country_SA_lbl" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ContractManufacturing" xlink:label="ContractManufacturing" xlink:title="ContractManufacturing" />
    <link:label xlink:type="resource" xlink:label="ebs_ContractManufacturing_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ContractManufacturing_lbl" xml:lang="en-US" id="ebs_ContractManufacturing_lbl">Revenue earned during the period arising from manufacturing sale under the terms of a contract.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractManufacturing" xlink:to="ebs_ContractManufacturing_lbl" xlink:title="label: ContractManufacturing to ebs_ContractManufacturing_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ContractManufacturing_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ContractManufacturing_lbl1" xml:lang="en-US" id="ebs_ContractManufacturing_lbl1">Contract manufacturing</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractManufacturing" xlink:to="ebs_ContractManufacturing_lbl1" xlink:title="label: ContractManufacturing to ebs_ContractManufacturing_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_BiothraxMember" xlink:label="BiothraxMember" xlink:title="BiothraxMember" />
    <link:label xlink:type="resource" xlink:label="ebs_BiothraxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_BiothraxMember_lbl" xml:lang="en-US" id="ebs_BiothraxMember_lbl">Refers to NuThrax which is sold by the company.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BiothraxMember" xlink:to="ebs_BiothraxMember_lbl" xlink:title="label: BiothraxMember to ebs_BiothraxMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_BiothraxMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_BiothraxMember_lbl1" xml:lang="en-US" id="ebs_BiothraxMember_lbl1">Biothrax [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BiothraxMember" xlink:to="ebs_BiothraxMember_lbl1" xlink:title="label: BiothraxMember to ebs_BiothraxMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_BiothraxMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_BiothraxMember_lbl2" xml:lang="en-US" id="ebs_BiothraxMember_lbl2">BioThrax [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BiothraxMember" xlink:to="ebs_BiothraxMember_lbl2" xlink:title="label: BiothraxMember to ebs_BiothraxMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ForeignJurisdictionsMember" xlink:label="ForeignJurisdictionsMember" xlink:title="ForeignJurisdictionsMember" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignJurisdictionsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ForeignJurisdictionsMember_lbl" xml:lang="en-US" id="ebs_ForeignJurisdictionsMember_lbl">Refers to foreign jurisdictions.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignJurisdictionsMember" xlink:to="ebs_ForeignJurisdictionsMember_lbl" xlink:title="label: ForeignJurisdictionsMember to ebs_ForeignJurisdictionsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignJurisdictionsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ForeignJurisdictionsMember_lbl1" xml:lang="en-US" id="ebs_ForeignJurisdictionsMember_lbl1">ForeignJurisdictions [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignJurisdictionsMember" xlink:to="ebs_ForeignJurisdictionsMember_lbl1" xlink:title="label: ForeignJurisdictionsMember to ebs_ForeignJurisdictionsMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignJurisdictionsMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ForeignJurisdictionsMember_lbl2" xml:lang="en-US" id="ebs_ForeignJurisdictionsMember_lbl2">Foreign Jurisdictions [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignJurisdictionsMember" xlink:to="ebs_ForeignJurisdictionsMember_lbl2" xlink:title="label: ForeignJurisdictionsMember to ebs_ForeignJurisdictionsMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfIndependentPublicTradedEntities" xlink:label="NumberOfIndependentPublicTradedEntities" xlink:title="NumberOfIndependentPublicTradedEntities" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfIndependentPublicTradedEntities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfIndependentPublicTradedEntities_lbl" xml:lang="en-US" id="ebs_NumberOfIndependentPublicTradedEntities_lbl">Refers to the number of publicly traded companies into which entity is separated.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfIndependentPublicTradedEntities" xlink:to="ebs_NumberOfIndependentPublicTradedEntities_lbl" xlink:title="label: NumberOfIndependentPublicTradedEntities to ebs_NumberOfIndependentPublicTradedEntities_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfIndependentPublicTradedEntities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfIndependentPublicTradedEntities_lbl1" xml:lang="en-US" id="ebs_NumberOfIndependentPublicTradedEntities_lbl1">Number of Independent Public Traded Entities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfIndependentPublicTradedEntities" xlink:to="ebs_NumberOfIndependentPublicTradedEntities_lbl1" xlink:title="label: NumberOfIndependentPublicTradedEntities to ebs_NumberOfIndependentPublicTradedEntities_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfIndependentPublicTradedEntities_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_NumberOfIndependentPublicTradedEntities_lbl2" xml:lang="en-US" id="ebs_NumberOfIndependentPublicTradedEntities_lbl2">Number of independent publicly-traded companies</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfIndependentPublicTradedEntities" xlink:to="ebs_NumberOfIndependentPublicTradedEntities_lbl2" xlink:title="label: NumberOfIndependentPublicTradedEntities to ebs_NumberOfIndependentPublicTradedEntities_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_UnrecognizedTaxBenefitsNoncurrent" xlink:label="UnrecognizedTaxBenefitsNoncurrent" xlink:title="UnrecognizedTaxBenefitsNoncurrent" />
    <link:label xlink:type="resource" xlink:label="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl" xml:lang="en-US" id="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl">The gross amount of unrecognized tax benefits pertaining to uncertain tax positions taken in tax returns, and classified as a non-current liability as of the balance sheet date.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrecognizedTaxBenefitsNoncurrent" xlink:to="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl" xlink:title="label: UnrecognizedTaxBenefitsNoncurrent to ebs_UnrecognizedTaxBenefitsNoncurrent_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl1" xml:lang="en-US" id="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl1">Unrecognized tax benefits, noncurrent</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UnrecognizedTaxBenefitsNoncurrent" xlink:to="ebs_UnrecognizedTaxBenefitsNoncurrent_lbl1" xlink:title="label: UnrecognizedTaxBenefitsNoncurrent to ebs_UnrecognizedTaxBenefitsNoncurrent_lbl1" />
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    <link:label xlink:type="resource" xlink:label="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl" xml:lang="en-US" id="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl">Period for U.S. federal cash taxes reasonable estimate for income tax expense (benefit) from effect of Tax Cuts and Jobs Act of 2017 for which accounting for tax effect is incomplete, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod" xlink:to="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl" xlink:title="label: TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod to ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl1" xml:lang="en-US" id="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl1">Tax Cuts and Jobs Act of 2017, Incomplete Accounting, U.S. Federal Cash Taxes on Deemed Mandatory Repatriation Period</link:label>
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    <link:label xlink:type="resource" xlink:label="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl2" xml:lang="en-US" id="ebs_TaxCutsAndJobsActOf2017IncompleteAccountingUSFederalCashTaxesOnDeemedMandatoryRepatriationPeriod_lbl2">U.S. federal cash taxes on deemed mandatory repatriation period</link:label>
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AmountOfPaymentForRegulatoryRelatedMilestones" xlink:label="AmountOfPaymentForRegulatoryRelatedMilestones" xlink:title="AmountOfPaymentForRegulatoryRelatedMilestones" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl" xml:lang="en-US" id="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl">The cash outflow associated with regulatory related milestones.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfPaymentForRegulatoryRelatedMilestones" xlink:to="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl" xlink:title="label: AmountOfPaymentForRegulatoryRelatedMilestones to ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl1" xml:lang="en-US" id="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl1">Amount of payment for regulatory related milestones</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfPaymentForRegulatoryRelatedMilestones" xlink:to="ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl1" xlink:title="label: AmountOfPaymentForRegulatoryRelatedMilestones to ebs_AmountOfPaymentForRegulatoryRelatedMilestones_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ACAM2000Member" xlink:label="ACAM2000Member" xlink:title="ACAM2000Member" />
    <link:label xlink:type="resource" xlink:label="ebs_ACAM2000Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ACAM2000Member_lbl" xml:lang="en-US" id="ebs_ACAM2000Member_lbl">Business acquisition in October of 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ACAM2000Member" xlink:to="ebs_ACAM2000Member_lbl" xlink:title="label: ACAM2000Member to ebs_ACAM2000Member_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ACAM2000Member_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ACAM2000Member_lbl1" xml:lang="en-US" id="ebs_ACAM2000Member_lbl1">ACAM2000 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ACAM2000Member" xlink:to="ebs_ACAM2000Member_lbl1" xlink:title="label: ACAM2000Member to ebs_ACAM2000Member_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EvolvaHoldingSA035Member" xlink:label="EvolvaHoldingSA035Member" xlink:title="EvolvaHoldingSA035Member" />
    <link:label xlink:type="resource" xlink:label="ebs_EvolvaHoldingSA035Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EvolvaHoldingSA035Member_lbl" xml:lang="en-US" id="ebs_EvolvaHoldingSA035Member_lbl">Business acquisition in December 2014 and December 2015</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EvolvaHoldingSA035Member" xlink:to="ebs_EvolvaHoldingSA035Member_lbl" xlink:title="label: EvolvaHoldingSA035Member to ebs_EvolvaHoldingSA035Member_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EvolvaHoldingSA035Member_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EvolvaHoldingSA035Member_lbl1" xml:lang="en-US" id="ebs_EvolvaHoldingSA035Member_lbl1">Evolva Holding SA 035 &amp; Unither [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EvolvaHoldingSA035Member" xlink:to="ebs_EvolvaHoldingSA035Member_lbl1" xlink:title="label: EvolvaHoldingSA035Member to ebs_EvolvaHoldingSA035Member_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_RsdlMember" xlink:label="RsdlMember" xlink:title="RsdlMember" />
    <link:label xlink:type="resource" xlink:label="ebs_RsdlMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_RsdlMember_lbl" xml:lang="en-US" id="ebs_RsdlMember_lbl">RSDL, a product of HPPD.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RsdlMember" xlink:to="ebs_RsdlMember_lbl" xlink:title="label: RsdlMember to ebs_RsdlMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_RsdlMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_RsdlMember_lbl1" xml:lang="en-US" id="ebs_RsdlMember_lbl1">RSDL [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RsdlMember" xlink:to="ebs_RsdlMember_lbl1" xlink:title="label: RsdlMember to ebs_RsdlMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ContingentConsiderationObligationsPolicyTextBlock" xlink:label="ContingentConsiderationObligationsPolicyTextBlock" xlink:title="ContingentConsiderationObligationsPolicyTextBlock" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl" xml:lang="en-US" id="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl">Disclosure of accounting policy for contingent consideration obligations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationObligationsPolicyTextBlock" xlink:to="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl" xlink:title="label: ContingentConsiderationObligationsPolicyTextBlock to ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl1" xml:lang="en-US" id="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl1">Contingent Consideration Obligations [Policy Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationObligationsPolicyTextBlock" xlink:to="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl1" xlink:title="label: ContingentConsiderationObligationsPolicyTextBlock to ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl2" xml:lang="en-US" id="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl2">Contingent Consideration</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationObligationsPolicyTextBlock" xlink:to="ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl2" xlink:title="label: ContingentConsiderationObligationsPolicyTextBlock to ebs_ContingentConsiderationObligationsPolicyTextBlock_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock" xlink:label="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" xlink:title="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" />
    <link:label xlink:type="resource" xlink:label="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" xml:lang="en-US" id="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl">Tabular disclosure of the useful life and salvage value of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" xlink:to="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" xlink:title="label: PropertyPlantAndEquipmentUsefulLivesTableTextBlock to ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl1" xml:lang="en-US" id="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl1">Property, Plant and Equipment Useful Lives [Text Block]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" xlink:to="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl1" xlink:title="label: PropertyPlantAndEquipmentUsefulLivesTableTextBlock to ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl2" xml:lang="en-US" id="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl2">Estimated useful lives of property, plant and equipment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PropertyPlantAndEquipmentUsefulLivesTableTextBlock" xlink:to="ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl2" xlink:title="label: PropertyPlantAndEquipmentUsefulLivesTableTextBlock to ebs_PropertyPlantAndEquipmentUsefulLivesTableTextBlock_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfRevenueGeneratingProducts" xlink:label="NumberOfRevenueGeneratingProducts" xlink:title="NumberOfRevenueGeneratingProducts" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfRevenueGeneratingProducts_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfRevenueGeneratingProducts_lbl" xml:lang="en-US" id="ebs_NumberOfRevenueGeneratingProducts_lbl">Refers to the number of revenue generating products.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfRevenueGeneratingProducts" xlink:to="ebs_NumberOfRevenueGeneratingProducts_lbl" xlink:title="label: NumberOfRevenueGeneratingProducts to ebs_NumberOfRevenueGeneratingProducts_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfRevenueGeneratingProducts_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfRevenueGeneratingProducts_lbl1" xml:lang="en-US" id="ebs_NumberOfRevenueGeneratingProducts_lbl1">Number of revenue generating products</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfRevenueGeneratingProducts" xlink:to="ebs_NumberOfRevenueGeneratingProducts_lbl1" xlink:title="label: NumberOfRevenueGeneratingProducts to ebs_NumberOfRevenueGeneratingProducts_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfCategoriesOfPublicHealthThreats" xlink:label="NumberOfCategoriesOfPublicHealthThreats" xlink:title="NumberOfCategoriesOfPublicHealthThreats" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl" xml:lang="en-US" id="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl">Refers to the number of categories of public health threats.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCategoriesOfPublicHealthThreats" xlink:to="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl" xlink:title="label: NumberOfCategoriesOfPublicHealthThreats to ebs_NumberOfCategoriesOfPublicHealthThreats_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl1" xml:lang="en-US" id="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl1">Number of categories of public health threats</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCategoriesOfPublicHealthThreats" xlink:to="ebs_NumberOfCategoriesOfPublicHealthThreats_lbl1" xlink:title="label: NumberOfCategoriesOfPublicHealthThreats to ebs_NumberOfCategoriesOfPublicHealthThreats_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ContingentValueRightsCurrentPortion" xlink:label="ContingentValueRightsCurrentPortion" xlink:title="ContingentValueRightsCurrentPortion" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentValueRightsCurrentPortion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ContingentValueRightsCurrentPortion_lbl" xml:lang="en-US" id="ebs_ContingentValueRightsCurrentPortion_lbl">Carrying value as of the balance sheet date of the current portion of liabilities incurred and payable to former shareholders and stock option holders of Trubion Pharmaceuticals for certain developmental, regulatory or commercial milestones.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentValueRightsCurrentPortion" xlink:to="ebs_ContingentValueRightsCurrentPortion_lbl" xlink:title="label: ContingentValueRightsCurrentPortion to ebs_ContingentValueRightsCurrentPortion_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentValueRightsCurrentPortion_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ContingentValueRightsCurrentPortion_lbl1" xml:lang="en-US" id="ebs_ContingentValueRightsCurrentPortion_lbl1">Contingent Value Rights Current Portion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentValueRightsCurrentPortion" xlink:to="ebs_ContingentValueRightsCurrentPortion_lbl1" xlink:title="label: ContingentValueRightsCurrentPortion to ebs_ContingentValueRightsCurrentPortion_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentValueRightsCurrentPortion_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ContingentValueRightsCurrentPortion_lbl2" xml:lang="en-US" id="ebs_ContingentValueRightsCurrentPortion_lbl2">Contingent consideration, current portion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentValueRightsCurrentPortion" xlink:to="ebs_ContingentValueRightsCurrentPortion_lbl2" xlink:title="label: ContingentValueRightsCurrentPortion to ebs_ContingentValueRightsCurrentPortion_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ContingentConsiderationNetOfCurrentPortion" xlink:label="ContingentConsiderationNetOfCurrentPortion" xlink:title="ContingentConsiderationNetOfCurrentPortion" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentConsiderationNetOfCurrentPortion_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ContingentConsiderationNetOfCurrentPortion_lbl" xml:lang="en-US" id="ebs_ContingentConsiderationNetOfCurrentPortion_lbl">Carrying value as of the balance sheet date of the noncurrent portion of liabilities incurred and payable to former shareholders and stock option holders for certain developmental, regulatory or commercial milestones.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationNetOfCurrentPortion" xlink:to="ebs_ContingentConsiderationNetOfCurrentPortion_lbl" xlink:title="label: ContingentConsiderationNetOfCurrentPortion to ebs_ContingentConsiderationNetOfCurrentPortion_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentConsiderationNetOfCurrentPortion_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ContingentConsiderationNetOfCurrentPortion_lbl1" xml:lang="en-US" id="ebs_ContingentConsiderationNetOfCurrentPortion_lbl1">Contingent Consideration Net Of Current Portion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationNetOfCurrentPortion" xlink:to="ebs_ContingentConsiderationNetOfCurrentPortion_lbl1" xlink:title="label: ContingentConsiderationNetOfCurrentPortion to ebs_ContingentConsiderationNetOfCurrentPortion_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentConsiderationNetOfCurrentPortion_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ContingentConsiderationNetOfCurrentPortion_lbl2" xml:lang="en-US" id="ebs_ContingentConsiderationNetOfCurrentPortion_lbl2">Contingent consideration, net of current portion</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentConsiderationNetOfCurrentPortion" xlink:to="ebs_ContingentConsiderationNetOfCurrentPortion_lbl2" xlink:title="label: ContingentConsiderationNetOfCurrentPortion to ebs_ContingentConsiderationNetOfCurrentPortion_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DistributionOfAptevo" xlink:label="DistributionOfAptevo" xlink:title="DistributionOfAptevo" />
    <link:label xlink:type="resource" xlink:label="ebs_DistributionOfAptevo_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DistributionOfAptevo_lbl" xml:lang="en-US" id="ebs_DistributionOfAptevo_lbl">Amount of cash outflow associated with the distribution of Aptevo common stock.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionOfAptevo" xlink:to="ebs_DistributionOfAptevo_lbl" xlink:title="label: DistributionOfAptevo to ebs_DistributionOfAptevo_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DistributionOfAptevo_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DistributionOfAptevo_lbl1" xml:lang="en-US" id="ebs_DistributionOfAptevo_lbl1">Distribution of Aptevo</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionOfAptevo" xlink:to="ebs_DistributionOfAptevo_lbl1" xlink:title="label: DistributionOfAptevo to ebs_DistributionOfAptevo_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DistributionOfAptevo_lbl2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="ebs_DistributionOfAptevo_lbl2" xml:lang="en-US" id="ebs_DistributionOfAptevo_lbl2">Distribution to Aptevo</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DistributionOfAptevo" xlink:to="ebs_DistributionOfAptevo_lbl2" xlink:title="label: DistributionOfAptevo to ebs_DistributionOfAptevo_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ChangeInFairValueOfContingentConsideration" xlink:label="ChangeInFairValueOfContingentConsideration" xlink:title="ChangeInFairValueOfContingentConsideration" />
    <link:label xlink:type="resource" xlink:label="ebs_ChangeInFairValueOfContingentConsideration_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ChangeInFairValueOfContingentConsideration_lbl" xml:lang="en-US" id="ebs_ChangeInFairValueOfContingentConsideration_lbl">Fair value measurement of contingent value rights and contingent purchase considerations granted under purchase agreements.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInFairValueOfContingentConsideration" xlink:to="ebs_ChangeInFairValueOfContingentConsideration_lbl" xlink:title="label: ChangeInFairValueOfContingentConsideration to ebs_ChangeInFairValueOfContingentConsideration_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ChangeInFairValueOfContingentConsideration_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ChangeInFairValueOfContingentConsideration_lbl1" xml:lang="en-US" id="ebs_ChangeInFairValueOfContingentConsideration_lbl1">Change In Fair Value Of Contingent Consideration</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInFairValueOfContingentConsideration" xlink:to="ebs_ChangeInFairValueOfContingentConsideration_lbl1" xlink:title="label: ChangeInFairValueOfContingentConsideration to ebs_ChangeInFairValueOfContingentConsideration_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ChangeInFairValueOfContingentConsideration_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ChangeInFairValueOfContingentConsideration_lbl2" xml:lang="en-US" id="ebs_ChangeInFairValueOfContingentConsideration_lbl2">Change in fair value of contingent obligations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ChangeInFairValueOfContingentConsideration" xlink:to="ebs_ChangeInFairValueOfContingentConsideration_lbl2" xlink:title="label: ChangeInFairValueOfContingentConsideration to ebs_ChangeInFairValueOfContingentConsideration_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ContingentValueRightPayment" xlink:label="ContingentValueRightPayment" xlink:title="ContingentValueRightPayment" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentValueRightPayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ContingentValueRightPayment_lbl" xml:lang="en-US" id="ebs_ContingentValueRightPayment_lbl">The cash outflow for contingent value rights.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentValueRightPayment" xlink:to="ebs_ContingentValueRightPayment_lbl" xlink:title="label: ContingentValueRightPayment to ebs_ContingentValueRightPayment_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentValueRightPayment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ContingentValueRightPayment_lbl1" xml:lang="en-US" id="ebs_ContingentValueRightPayment_lbl1">Contingent value right payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentValueRightPayment" xlink:to="ebs_ContingentValueRightPayment_lbl1" xlink:title="label: ContingentValueRightPayment to ebs_ContingentValueRightPayment_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ContingentValueRightPayment_lbl2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="ebs_ContingentValueRightPayment_lbl2" xml:lang="en-US" id="ebs_ContingentValueRightPayment_lbl2">Contingent consideration payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContingentValueRightPayment" xlink:to="ebs_ContingentValueRightPayment_lbl2" xlink:title="label: ContingentValueRightPayment to ebs_ContingentValueRightPayment_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ProvisionForChargebacksChargedToEarnings" xlink:label="ProvisionForChargebacksChargedToEarnings" xlink:title="ProvisionForChargebacksChargedToEarnings" />
    <link:label xlink:type="resource" xlink:label="ebs_ProvisionForChargebacksChargedToEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ProvisionForChargebacksChargedToEarnings_lbl" xml:lang="en-US" id="ebs_ProvisionForChargebacksChargedToEarnings_lbl">The provision charged to earnings in the period related to chargebacks obligations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionForChargebacksChargedToEarnings" xlink:to="ebs_ProvisionForChargebacksChargedToEarnings_lbl" xlink:title="label: ProvisionForChargebacksChargedToEarnings to ebs_ProvisionForChargebacksChargedToEarnings_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ProvisionForChargebacksChargedToEarnings_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ProvisionForChargebacksChargedToEarnings_lbl1" xml:lang="en-US" id="ebs_ProvisionForChargebacksChargedToEarnings_lbl1">Provision for chargebacks, charged to earnings</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionForChargebacksChargedToEarnings" xlink:to="ebs_ProvisionForChargebacksChargedToEarnings_lbl1" xlink:title="label: ProvisionForChargebacksChargedToEarnings to ebs_ProvisionForChargebacksChargedToEarnings_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ProvisionForChargebacksChargedToEarnings_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ProvisionForChargebacksChargedToEarnings_lbl2" xml:lang="en-US" id="ebs_ProvisionForChargebacksChargedToEarnings_lbl2">Provision for chargebacks</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ProvisionForChargebacksChargedToEarnings" xlink:to="ebs_ProvisionForChargebacksChargedToEarnings_lbl2" xlink:title="label: ProvisionForChargebacksChargedToEarnings to ebs_ProvisionForChargebacksChargedToEarnings_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture" xlink:label="NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture" xlink:title="NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture" />
    <link:label xlink:type="resource" xlink:label="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl" xml:lang="en-US" id="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl">Increase in noncontrolling interest balance because of non-cash development expenses from joint venture.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture" xlink:to="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl" xlink:title="label: NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture to ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl1" xml:lang="en-US" id="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl1">Noncontrolling Interest, Noncash development expenses from joint venture</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture" xlink:to="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl1" xlink:title="label: NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture to ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl2" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:title="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl2" xml:lang="en-US" id="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl2">Non-cash development expenses from joint venture</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture" xlink:to="ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl2" xlink:title="label: NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture to ebs_NoncontrollingInterestNoncashDevelopmentExpensesFromJointVenture_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching" xlink:label="DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching" xlink:title="DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching" />
    <link:label xlink:type="resource" xlink:label="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl" xml:lang="en-US" id="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl">Percentage of the employee's gross salary that is subject to employer's matching contribution.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching" xlink:to="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl" xlink:title="label: DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching to ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl1" xml:lang="en-US" id="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl1">Defined Contribution Plan, Percentage of Employee Gross Salary Subject to Employer Matching</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching" xlink:to="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl1" xlink:title="label: DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching to ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl2" xml:lang="en-US" id="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl2">Percentage of employee's gross salary subject to employer's matching contribution</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching" xlink:to="ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl2" xlink:title="label: DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching to ebs_DefinedContributionPlanPercentageOfEmployeeGrossSalarySubjectToEmployerMatching_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member" xlink:label="RevolvingCreditLoanDatedDecember2013DueInDecember2018Member" xlink:title="RevolvingCreditLoanDatedDecember2013DueInDecember2018Member" />
    <link:label xlink:type="resource" xlink:label="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl" xml:lang="en-US" id="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl">Revolving credit loan dated in December 2013.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevolvingCreditLoanDatedDecember2013DueInDecember2018Member" xlink:to="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl" xlink:title="label: RevolvingCreditLoanDatedDecember2013DueInDecember2018Member to ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl1" xml:lang="en-US" id="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl1">Revolving Credit Loan dated December 2013, due in December 2018 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevolvingCreditLoanDatedDecember2013DueInDecember2018Member" xlink:to="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl1" xlink:title="label: RevolvingCreditLoanDatedDecember2013DueInDecember2018Member to ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl2" xml:lang="en-US" id="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl2">BAML Revolving Credit Facility [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RevolvingCreditLoanDatedDecember2013DueInDecember2018Member" xlink:to="ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl2" xlink:title="label: RevolvingCreditLoanDatedDecember2013DueInDecember2018Member to ebs_RevolvingCreditLoanDatedDecember2013DueInDecember2018Member_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_CreditAgreementMember" xlink:label="CreditAgreementMember" xlink:title="CreditAgreementMember" />
    <link:label xlink:type="resource" xlink:label="ebs_CreditAgreementMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_CreditAgreementMember_lbl" xml:lang="en-US" id="ebs_CreditAgreementMember_lbl">Credit agreement dated September 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditAgreementMember" xlink:to="ebs_CreditAgreementMember_lbl" xlink:title="label: CreditAgreementMember to ebs_CreditAgreementMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_CreditAgreementMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_CreditAgreementMember_lbl1" xml:lang="en-US" id="ebs_CreditAgreementMember_lbl1">Credit Agreement [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CreditAgreementMember" xlink:to="ebs_CreditAgreementMember_lbl1" xlink:title="label: CreditAgreementMember to ebs_CreditAgreementMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ConvertibleSeniorNotesDue2021Member" xlink:label="ConvertibleSeniorNotesDue2021Member" xlink:title="ConvertibleSeniorNotesDue2021Member" />
    <link:label xlink:type="resource" xlink:label="ebs_ConvertibleSeniorNotesDue2021Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ConvertibleSeniorNotesDue2021Member_lbl" xml:lang="en-US" id="ebs_ConvertibleSeniorNotesDue2021Member_lbl">Debt instrument dated January 2014 due 2021.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleSeniorNotesDue2021Member" xlink:to="ebs_ConvertibleSeniorNotesDue2021Member_lbl" xlink:title="label: ConvertibleSeniorNotesDue2021Member to ebs_ConvertibleSeniorNotesDue2021Member_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ConvertibleSeniorNotesDue2021Member_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ConvertibleSeniorNotesDue2021Member_lbl1" xml:lang="en-US" id="ebs_ConvertibleSeniorNotesDue2021Member_lbl1">Convertible Senior Notes Due 2021 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleSeniorNotesDue2021Member" xlink:to="ebs_ConvertibleSeniorNotesDue2021Member_lbl1" xlink:title="label: ConvertibleSeniorNotesDue2021Member to ebs_ConvertibleSeniorNotesDue2021Member_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ConvertibleSeniorNotesDue2021Member_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ConvertibleSeniorNotesDue2021Member_lbl2" xml:lang="en-US" id="ebs_ConvertibleSeniorNotesDue2021Member_lbl2">2.875% Convertible Senior Notes Due 2021 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConvertibleSeniorNotesDue2021Member" xlink:to="ebs_ConvertibleSeniorNotesDue2021Member_lbl2" xlink:title="label: ConvertibleSeniorNotesDue2021Member to ebs_ConvertibleSeniorNotesDue2021Member_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EbsBamlTermLoanMember" xlink:label="EbsBamlTermLoanMember" xlink:title="EbsBamlTermLoanMember" />
    <link:label xlink:type="resource" xlink:label="ebs_EbsBamlTermLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EbsBamlTermLoanMember_lbl" xml:lang="en-US" id="ebs_EbsBamlTermLoanMember_lbl">Refers to the BAML Term Loan.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EbsBamlTermLoanMember" xlink:to="ebs_EbsBamlTermLoanMember_lbl" xlink:title="label: EbsBamlTermLoanMember to ebs_EbsBamlTermLoanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EbsBamlTermLoanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EbsBamlTermLoanMember_lbl1" xml:lang="en-US" id="ebs_EbsBamlTermLoanMember_lbl1">EBS BAML Term Loan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EbsBamlTermLoanMember" xlink:to="ebs_EbsBamlTermLoanMember_lbl1" xlink:title="label: EbsBamlTermLoanMember to ebs_EbsBamlTermLoanMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_EbsBamlTermLoanMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_EbsBamlTermLoanMember_lbl2" xml:lang="en-US" id="ebs_EbsBamlTermLoanMember_lbl2">BAML Term Loan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EbsBamlTermLoanMember" xlink:to="ebs_EbsBamlTermLoanMember_lbl2" xlink:title="label: EbsBamlTermLoanMember to ebs_EbsBamlTermLoanMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DebtInstrumentNumberOfEquityInstruments" xlink:label="DebtInstrumentNumberOfEquityInstruments" xlink:title="DebtInstrumentNumberOfEquityInstruments" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentNumberOfEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DebtInstrumentNumberOfEquityInstruments_lbl" xml:lang="en-US" id="ebs_DebtInstrumentNumberOfEquityInstruments_lbl">The number of equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNumberOfEquityInstruments" xlink:to="ebs_DebtInstrumentNumberOfEquityInstruments_lbl" xlink:title="label: DebtInstrumentNumberOfEquityInstruments to ebs_DebtInstrumentNumberOfEquityInstruments_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentNumberOfEquityInstruments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DebtInstrumentNumberOfEquityInstruments_lbl1" xml:lang="en-US" id="ebs_DebtInstrumentNumberOfEquityInstruments_lbl1">Debt Instrument, Number of Equity Instruments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNumberOfEquityInstruments" xlink:to="ebs_DebtInstrumentNumberOfEquityInstruments_lbl1" xlink:title="label: DebtInstrumentNumberOfEquityInstruments to ebs_DebtInstrumentNumberOfEquityInstruments_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentNumberOfEquityInstruments_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DebtInstrumentNumberOfEquityInstruments_lbl2" xml:lang="en-US" id="ebs_DebtInstrumentNumberOfEquityInstruments_lbl2">Conversion rate of notes per $1,000 principal amount (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNumberOfEquityInstruments" xlink:to="ebs_DebtInstrumentNumberOfEquityInstruments_lbl2" xlink:title="label: DebtInstrumentNumberOfEquityInstruments to ebs_DebtInstrumentNumberOfEquityInstruments_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfLendingInstitutions" xlink:label="NumberOfLendingInstitutions" xlink:title="NumberOfLendingInstitutions" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfLendingInstitutions_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfLendingInstitutions_lbl" xml:lang="en-US" id="ebs_NumberOfLendingInstitutions_lbl">Number of lending institutions in which the entity has a credit facility.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfLendingInstitutions" xlink:to="ebs_NumberOfLendingInstitutions_lbl" xlink:title="label: NumberOfLendingInstitutions to ebs_NumberOfLendingInstitutions_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfLendingInstitutions_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfLendingInstitutions_lbl1" xml:lang="en-US" id="ebs_NumberOfLendingInstitutions_lbl1">Number of lending institutions</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfLendingInstitutions" xlink:to="ebs_NumberOfLendingInstitutions_lbl1" xlink:title="label: NumberOfLendingInstitutions to ebs_NumberOfLendingInstitutions_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance" xlink:label="DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance" xlink:title="DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl" xml:lang="en-US" id="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl">Minimum cash and liquid investments balance required in order to be in compliance with the covenant clauses of the debt agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance" xlink:to="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl" xlink:title="label: DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance to ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl1" xml:lang="en-US" id="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl1">Debt instrument covenant, minimum cash and liquid investments balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance" xlink:to="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl1" xlink:title="label: DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance to ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl2" xml:lang="en-US" id="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl2">Debt covenant, minimum cash and liquid investments balance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance" xlink:to="ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl2" xlink:title="label: DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance to ebs_DebtInstrumentCovenantMinimumCashAndLiquidInvestmentsBalance_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DebtInstrumentCovenantDebtServiceCoverageRatio" xlink:label="DebtInstrumentCovenantDebtServiceCoverageRatio" xlink:title="DebtInstrumentCovenantDebtServiceCoverageRatio" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl" xml:lang="en-US" id="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl">A debt service coverage ratio required to be maintained under a debt covenant agreement. The debt coverage ratio is calculated by dividing earnings before interest, taxes, depreciation and amortization for the most recent four quarters less cash taxes by the sum of current obligations and interest expense for borrowed money, in each case due and payable following four quarters.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantDebtServiceCoverageRatio" xlink:to="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl" xlink:title="label: DebtInstrumentCovenantDebtServiceCoverageRatio to ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl1" xml:lang="en-US" id="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl1">Debt Instrument, covenant, debt service coverage ratio</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantDebtServiceCoverageRatio" xlink:to="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl1" xlink:title="label: DebtInstrumentCovenantDebtServiceCoverageRatio to ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl2" xml:lang="en-US" id="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl2">Debt covenant, consolidated debt service coverage ratio, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantDebtServiceCoverageRatio" xlink:to="ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl2" xlink:title="label: DebtInstrumentCovenantDebtServiceCoverageRatio to ebs_DebtInstrumentCovenantDebtServiceCoverageRatio_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DebtInstrumentCovenantLeverageRatio" xlink:label="DebtInstrumentCovenantLeverageRatio" xlink:title="DebtInstrumentCovenantLeverageRatio" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantLeverageRatio_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DebtInstrumentCovenantLeverageRatio_lbl" xml:lang="en-US" id="ebs_DebtInstrumentCovenantLeverageRatio_lbl">Maximum leverage ratio required to be maintained under a debt covenant agreement. A leverage ratio is calculated by dividing the funded debt by earnings before interest, taxes, depreciation and amortization for the most recent four quarters.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantLeverageRatio" xlink:to="ebs_DebtInstrumentCovenantLeverageRatio_lbl" xlink:title="label: DebtInstrumentCovenantLeverageRatio to ebs_DebtInstrumentCovenantLeverageRatio_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantLeverageRatio_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DebtInstrumentCovenantLeverageRatio_lbl1" xml:lang="en-US" id="ebs_DebtInstrumentCovenantLeverageRatio_lbl1">Debt Instrument, covenant, leverage ratio</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantLeverageRatio" xlink:to="ebs_DebtInstrumentCovenantLeverageRatio_lbl1" xlink:title="label: DebtInstrumentCovenantLeverageRatio to ebs_DebtInstrumentCovenantLeverageRatio_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentCovenantLeverageRatio_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DebtInstrumentCovenantLeverageRatio_lbl2" xml:lang="en-US" id="ebs_DebtInstrumentCovenantLeverageRatio_lbl2">Debt covenant, leverage ratio, maximum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentCovenantLeverageRatio" xlink:to="ebs_DebtInstrumentCovenantLeverageRatio_lbl2" xlink:title="label: DebtInstrumentCovenantLeverageRatio to ebs_DebtInstrumentCovenantLeverageRatio_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DebtInstrumentNumberOfAdditionalEquityInstruments" xlink:label="DebtInstrumentNumberOfAdditionalEquityInstruments" xlink:title="DebtInstrumentNumberOfAdditionalEquityInstruments" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl" xml:lang="en-US" id="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl">The number of additional equity instruments that the holder of the debt instrument would receive if the debt was converted to equity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNumberOfAdditionalEquityInstruments" xlink:to="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl" xlink:title="label: DebtInstrumentNumberOfAdditionalEquityInstruments to ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl1" xml:lang="en-US" id="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl1">Debt Instrument Number Of Additional Equity Instruments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNumberOfAdditionalEquityInstruments" xlink:to="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl1" xlink:title="label: DebtInstrumentNumberOfAdditionalEquityInstruments to ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl2" xml:lang="en-US" id="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl2">Additional conversion rate of notes per $1,000 principal amount (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentNumberOfAdditionalEquityInstruments" xlink:to="ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl2" xlink:title="label: DebtInstrumentNumberOfAdditionalEquityInstruments to ebs_DebtInstrumentNumberOfAdditionalEquityInstruments_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DebtInstrumentAccruedInterestOnConvertedNotes" xlink:label="DebtInstrumentAccruedInterestOnConvertedNotes" xlink:title="DebtInstrumentAccruedInterestOnConvertedNotes" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl" xml:lang="en-US" id="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl">Amount for accrued, but unpaid interest on the converted notes for the period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAccruedInterestOnConvertedNotes" xlink:to="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl" xlink:title="label: DebtInstrumentAccruedInterestOnConvertedNotes to ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl1" xml:lang="en-US" id="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl1">Debt Instrument Accrued interest on converted notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAccruedInterestOnConvertedNotes" xlink:to="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl1" xlink:title="label: DebtInstrumentAccruedInterestOnConvertedNotes to ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl2" xml:lang="en-US" id="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl2">Accrued interest on converted notes</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DebtInstrumentAccruedInterestOnConvertedNotes" xlink:to="ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl2" xlink:title="label: DebtInstrumentAccruedInterestOnConvertedNotes to ebs_DebtInstrumentAccruedInterestOnConvertedNotes_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature" xlink:label="LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature" xlink:title="LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature" />
    <link:label xlink:type="resource" xlink:label="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl" xml:lang="en-US" id="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl">Refers to line of credit facility additional borrowing capacity through accordion feature.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature" xlink:to="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl" xlink:title="label: LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature to ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl1" xml:lang="en-US" id="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl1">Line of credit facility, additional borrowing capacity, accordion feature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature" xlink:to="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl1" xlink:title="label: LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature to ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl2" xml:lang="en-US" id="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl2">Borrowing capacity with accordion feature</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature" xlink:to="ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl2" xlink:title="label: LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature to ebs_LineOfCreditFacilityAdditionalBorrowingCapacityAccordionFeature_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember" xlink:label="AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember" xlink:title="AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl" xml:lang="en-US" id="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl">Amount of debt issuance costs in prepaid and other current assets, netted against long term debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember" xlink:to="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl" xlink:title="label: AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember to ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl1" xml:lang="en-US" id="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl1">Amount of debt issuance costs in prepaid and other current assets, netted against long term debt [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember" xlink:to="ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl1" xlink:title="label: AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember to ebs_AmountOfDebtIssuanceCostsInPrepaidAndOtherCurrentAssetsNettedAgainstLongTermDebtMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember" xlink:label="AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember" xlink:title="AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl" xml:lang="en-US" id="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl">Amount of debt issuance costs in other assets, netted against long term debt.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember" xlink:to="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl" xlink:title="label: AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember to ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl1" xml:lang="en-US" id="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl1">Amount of debt issuance costs in other assets, netted against long term debt [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember" xlink:to="ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl1" xlink:title="label: AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember to ebs_AmountOfDebtIssuanceCostsInOtherAssetsNettedAgainstLongTermDebtMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_FillFinishSpaceRockvilleMember" xlink:label="FillFinishSpaceRockvilleMember" xlink:title="FillFinishSpaceRockvilleMember" />
    <link:label xlink:type="resource" xlink:label="ebs_FillFinishSpaceRockvilleMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_FillFinishSpaceRockvilleMember_lbl" xml:lang="en-US" id="ebs_FillFinishSpaceRockvilleMember_lbl">Facility held for productive use including, but not limited to, office, production, storage and distribution facilities in Rockville, Maryland.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FillFinishSpaceRockvilleMember" xlink:to="ebs_FillFinishSpaceRockvilleMember_lbl" xlink:title="label: FillFinishSpaceRockvilleMember to ebs_FillFinishSpaceRockvilleMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_FillFinishSpaceRockvilleMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_FillFinishSpaceRockvilleMember_lbl1" xml:lang="en-US" id="ebs_FillFinishSpaceRockvilleMember_lbl1">Fill/Finish Space - Rockville [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FillFinishSpaceRockvilleMember" xlink:to="ebs_FillFinishSpaceRockvilleMember_lbl1" xlink:title="label: FillFinishSpaceRockvilleMember to ebs_FillFinishSpaceRockvilleMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_FillFinishSpaceRockvilleMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_FillFinishSpaceRockvilleMember_lbl2" xml:lang="en-US" id="ebs_FillFinishSpaceRockvilleMember_lbl2">Fill/Finish Space - Rockville [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FillFinishSpaceRockvilleMember" xlink:to="ebs_FillFinishSpaceRockvilleMember_lbl2" xlink:title="label: FillFinishSpaceRockvilleMember to ebs_FillFinishSpaceRockvilleMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_OfficeAndWarehouseSpaceBaltimoreMember" xlink:label="OfficeAndWarehouseSpaceBaltimoreMember" xlink:title="OfficeAndWarehouseSpaceBaltimoreMember" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl" xml:lang="en-US" id="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl">Facility held for productive use including, but not limited to, office, production, storage and distribution facilities in Baltimore, Maryland.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeAndWarehouseSpaceBaltimoreMember" xlink:to="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl" xlink:title="label: OfficeAndWarehouseSpaceBaltimoreMember to ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl1" xml:lang="en-US" id="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl1">Office and Warehouse Space - Baltimore [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeAndWarehouseSpaceBaltimoreMember" xlink:to="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl1" xlink:title="label: OfficeAndWarehouseSpaceBaltimoreMember to ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl2" xml:lang="en-US" id="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl2">Office and Warehouse Space - Baltimore [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeAndWarehouseSpaceBaltimoreMember" xlink:to="ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl2" xlink:title="label: OfficeAndWarehouseSpaceBaltimoreMember to ebs_OfficeAndWarehouseSpaceBaltimoreMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_OfficeAndWarehouseSpaceCantonMember" xlink:label="OfficeAndWarehouseSpaceCantonMember" xlink:title="OfficeAndWarehouseSpaceCantonMember" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeAndWarehouseSpaceCantonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_OfficeAndWarehouseSpaceCantonMember_lbl" xml:lang="en-US" id="ebs_OfficeAndWarehouseSpaceCantonMember_lbl">Facility held for productive use including, but not limited to, office, production, storage and distribution facilities in Canton, Massachusetts.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeAndWarehouseSpaceCantonMember" xlink:to="ebs_OfficeAndWarehouseSpaceCantonMember_lbl" xlink:title="label: OfficeAndWarehouseSpaceCantonMember to ebs_OfficeAndWarehouseSpaceCantonMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeAndWarehouseSpaceCantonMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_OfficeAndWarehouseSpaceCantonMember_lbl1" xml:lang="en-US" id="ebs_OfficeAndWarehouseSpaceCantonMember_lbl1">Office and Warehouse Space - Canton [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeAndWarehouseSpaceCantonMember" xlink:to="ebs_OfficeAndWarehouseSpaceCantonMember_lbl1" xlink:title="label: OfficeAndWarehouseSpaceCantonMember to ebs_OfficeAndWarehouseSpaceCantonMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeAndWarehouseSpaceCantonMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_OfficeAndWarehouseSpaceCantonMember_lbl2" xml:lang="en-US" id="ebs_OfficeAndWarehouseSpaceCantonMember_lbl2">Office and Warehouse Space - Canton [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeAndWarehouseSpaceCantonMember" xlink:to="ebs_OfficeAndWarehouseSpaceCantonMember_lbl2" xlink:title="label: OfficeAndWarehouseSpaceCantonMember to ebs_OfficeAndWarehouseSpaceCantonMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_OfficeSpaceWashingtonDCMember" xlink:label="OfficeSpaceWashingtonDCMember" xlink:title="OfficeSpaceWashingtonDCMember" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeSpaceWashingtonDCMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_OfficeSpaceWashingtonDCMember_lbl" xml:lang="en-US" id="ebs_OfficeSpaceWashingtonDCMember_lbl">Facility held for productive use including, but not limited to, office, production, storage and distribution facilities in Washington, DC.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeSpaceWashingtonDCMember" xlink:to="ebs_OfficeSpaceWashingtonDCMember_lbl" xlink:title="label: OfficeSpaceWashingtonDCMember to ebs_OfficeSpaceWashingtonDCMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeSpaceWashingtonDCMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_OfficeSpaceWashingtonDCMember_lbl1" xml:lang="en-US" id="ebs_OfficeSpaceWashingtonDCMember_lbl1">Office Space - Washington, DC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeSpaceWashingtonDCMember" xlink:to="ebs_OfficeSpaceWashingtonDCMember_lbl1" xlink:title="label: OfficeSpaceWashingtonDCMember to ebs_OfficeSpaceWashingtonDCMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_OfficeSpaceWashingtonDCMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_OfficeSpaceWashingtonDCMember_lbl2" xml:lang="en-US" id="ebs_OfficeSpaceWashingtonDCMember_lbl2">Office Space - Washington, DC [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OfficeSpaceWashingtonDCMember" xlink:to="ebs_OfficeSpaceWashingtonDCMember_lbl2" xlink:title="label: OfficeSpaceWashingtonDCMember to ebs_OfficeSpaceWashingtonDCMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome" xlink:label="OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome" xlink:title="OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl" xml:lang="en-US" id="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl">Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year net of future sublease income.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome" xlink:to="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome to ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl1" xml:lang="en-US" id="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl1">Operating Leases, Future Minimum Payments Due Net of Future Sublease Income</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome" xlink:to="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl1" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome to ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl2" xml:lang="en-US" id="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl2">Total net minimum lease payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome" xlink:to="ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl2" xlink:title="label: OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome to ebs_OperatingLeasesFutureMinimumPaymentsDueNetOfFutureSubleaseIncome_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage" xlink:label="OperatingLeasesRentExpenseAnnualEscalationPercentage" xlink:title="OperatingLeasesRentExpenseAnnualEscalationPercentage" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl" xml:lang="en-US" id="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl">This element represents the annual escalation percentage of rent payment in connection with a property under the terms of an agreement classified as an operating lease, excluding contingent rentals and a guarantee by the lessee of the lessor's debt and the lessee's obligation to pay (apart from the rental payments) executory costs such as insurance, maintenance, and taxes.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesRentExpenseAnnualEscalationPercentage" xlink:to="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl" xlink:title="label: OperatingLeasesRentExpenseAnnualEscalationPercentage to ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl1" xml:lang="en-US" id="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl1">Operating Leases, Rent Expense, Annual Escalation Percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesRentExpenseAnnualEscalationPercentage" xlink:to="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl1" xlink:title="label: OperatingLeasesRentExpenseAnnualEscalationPercentage to ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl2" xml:lang="en-US" id="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl2">Annual escalation percentage</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLeasesRentExpenseAnnualEscalationPercentage" xlink:to="ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl2" xlink:title="label: OperatingLeasesRentExpenseAnnualEscalationPercentage to ebs_OperatingLeasesRentExpenseAnnualEscalationPercentage_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_SellingGeneralAndAdministrativeMember" xlink:label="SellingGeneralAndAdministrativeMember" xlink:title="SellingGeneralAndAdministrativeMember" />
    <link:label xlink:type="resource" xlink:label="ebs_SellingGeneralAndAdministrativeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_SellingGeneralAndAdministrativeMember_lbl" xml:lang="en-US" id="ebs_SellingGeneralAndAdministrativeMember_lbl">SG&amp;A line item for intangible amortization expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SellingGeneralAndAdministrativeMember" xlink:to="ebs_SellingGeneralAndAdministrativeMember_lbl" xlink:title="label: SellingGeneralAndAdministrativeMember to ebs_SellingGeneralAndAdministrativeMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_SellingGeneralAndAdministrativeMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_SellingGeneralAndAdministrativeMember_lbl1" xml:lang="en-US" id="ebs_SellingGeneralAndAdministrativeMember_lbl1">Selling, general and administrative [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SellingGeneralAndAdministrativeMember" xlink:to="ebs_SellingGeneralAndAdministrativeMember_lbl1" xlink:title="label: SellingGeneralAndAdministrativeMember to ebs_SellingGeneralAndAdministrativeMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ResearchAndDevelopmentMember" xlink:label="ResearchAndDevelopmentMember" xlink:title="ResearchAndDevelopmentMember" />
    <link:label xlink:type="resource" xlink:label="ebs_ResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="ebs_ResearchAndDevelopmentMember_lbl">Research and development portion of intangible amortization expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentMember" xlink:to="ebs_ResearchAndDevelopmentMember_lbl" xlink:title="label: ResearchAndDevelopmentMember to ebs_ResearchAndDevelopmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ResearchAndDevelopmentMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ResearchAndDevelopmentMember_lbl1" xml:lang="en-US" id="ebs_ResearchAndDevelopmentMember_lbl1">Research and development [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ResearchAndDevelopmentMember" xlink:to="ebs_ResearchAndDevelopmentMember_lbl1" xlink:title="label: ResearchAndDevelopmentMember to ebs_ResearchAndDevelopmentMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_CostOfProductSalesAndContractManufacturingMember" xlink:label="CostOfProductSalesAndContractManufacturingMember" xlink:title="CostOfProductSalesAndContractManufacturingMember" />
    <link:label xlink:type="resource" xlink:label="ebs_CostOfProductSalesAndContractManufacturingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_CostOfProductSalesAndContractManufacturingMember_lbl" xml:lang="en-US" id="ebs_CostOfProductSalesAndContractManufacturingMember_lbl">COGS line item for intangible amortization expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfProductSalesAndContractManufacturingMember" xlink:to="ebs_CostOfProductSalesAndContractManufacturingMember_lbl" xlink:title="label: CostOfProductSalesAndContractManufacturingMember to ebs_CostOfProductSalesAndContractManufacturingMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_CostOfProductSalesAndContractManufacturingMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_CostOfProductSalesAndContractManufacturingMember_lbl1" xml:lang="en-US" id="ebs_CostOfProductSalesAndContractManufacturingMember_lbl1">Cost of product sales and contract manufacturing [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CostOfProductSalesAndContractManufacturingMember" xlink:to="ebs_CostOfProductSalesAndContractManufacturingMember_lbl1" xlink:title="label: CostOfProductSalesAndContractManufacturingMember to ebs_CostOfProductSalesAndContractManufacturingMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter" xlink:label="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter" xlink:title="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter" />
    <link:label xlink:type="resource" xlink:label="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl" xml:lang="en-US" id="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl">Amount of amortization expense expected to be recognized during the fifth fiscal year and after following the latest fiscal year for assets, excluding financial assets and goodwill, lacking physical substance with a finite life.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter" xlink:to="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl" xlink:title="label: FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter to ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl1" xml:lang="en-US" id="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl1">Finite Lived Intangible Assets Amortization Expense Year Five and After</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter" xlink:to="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl1" xlink:title="label: FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter to ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl2" xml:lang="en-US" id="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl2">2022 and beyond</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter" xlink:to="ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl2" xlink:title="label: FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter to ebs_FiniteLivedIntangibleAssetsAmortizationExpenseYearFiveAndAfter_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EV035Member" xlink:label="EV035Member" xlink:title="EV035Member" />
    <link:label xlink:type="resource" xlink:label="ebs_EV035Member_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EV035Member_lbl" xml:lang="en-US" id="ebs_EV035Member_lbl">A series of molecules included as an IPR&amp;D asset.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EV035Member" xlink:to="ebs_EV035Member_lbl" xlink:title="label: EV035Member to ebs_EV035Member_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EV035Member_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EV035Member_lbl1" xml:lang="en-US" id="ebs_EV035Member_lbl1">EV-035 [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EV035Member" xlink:to="ebs_EV035Member_lbl1" xlink:title="label: EV035Member to ebs_EV035Member_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_GoodwillCostBasisAbstract" xlink:label="GoodwillCostBasisAbstract" xlink:title="GoodwillCostBasisAbstract" />
    <link:label xlink:type="resource" xlink:label="ebs_GoodwillCostBasisAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_GoodwillCostBasisAbstract_lbl1" xml:lang="en-US" id="ebs_GoodwillCostBasisAbstract_lbl1">Goodwill, Cost Basis [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GoodwillCostBasisAbstract" xlink:to="ebs_GoodwillCostBasisAbstract_lbl1" xlink:title="label: GoodwillCostBasisAbstract to ebs_GoodwillCostBasisAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ContractManufacturingMember" xlink:label="ContractManufacturingMember" xlink:title="ContractManufacturingMember" />
    <link:label xlink:type="resource" xlink:label="ebs_ContractManufacturingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ContractManufacturingMember_lbl" xml:lang="en-US" id="ebs_ContractManufacturingMember_lbl">A component of the Biosciences business segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractManufacturingMember" xlink:to="ebs_ContractManufacturingMember_lbl" xlink:title="label: ContractManufacturingMember to ebs_ContractManufacturingMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ContractManufacturingMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ContractManufacturingMember_lbl1" xml:lang="en-US" id="ebs_ContractManufacturingMember_lbl1">Contract Manufacturing [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ContractManufacturingMember" xlink:to="ebs_ContractManufacturingMember_lbl1" xlink:title="label: ContractManufacturingMember to ebs_ContractManufacturingMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_TherapeuticsAndVaccinesMember" xlink:label="TherapeuticsAndVaccinesMember" xlink:title="TherapeuticsAndVaccinesMember" />
    <link:label xlink:type="resource" xlink:label="ebs_TherapeuticsAndVaccinesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_TherapeuticsAndVaccinesMember_lbl" xml:lang="en-US" id="ebs_TherapeuticsAndVaccinesMember_lbl">A component of the Biodefense segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TherapeuticsAndVaccinesMember" xlink:to="ebs_TherapeuticsAndVaccinesMember_lbl" xlink:title="label: TherapeuticsAndVaccinesMember to ebs_TherapeuticsAndVaccinesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_TherapeuticsAndVaccinesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_TherapeuticsAndVaccinesMember_lbl1" xml:lang="en-US" id="ebs_TherapeuticsAndVaccinesMember_lbl1">Therapeutics and Vaccines [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TherapeuticsAndVaccinesMember" xlink:to="ebs_TherapeuticsAndVaccinesMember_lbl1" xlink:title="label: TherapeuticsAndVaccinesMember to ebs_TherapeuticsAndVaccinesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_MedicalDevicesMember" xlink:label="MedicalDevicesMember" xlink:title="MedicalDevicesMember" />
    <link:label xlink:type="resource" xlink:label="ebs_MedicalDevicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_MedicalDevicesMember_lbl" xml:lang="en-US" id="ebs_MedicalDevicesMember_lbl">A component of the Biodefense segment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MedicalDevicesMember" xlink:to="ebs_MedicalDevicesMember_lbl" xlink:title="label: MedicalDevicesMember to ebs_MedicalDevicesMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_MedicalDevicesMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_MedicalDevicesMember_lbl1" xml:lang="en-US" id="ebs_MedicalDevicesMember_lbl1">Medical Devices [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="MedicalDevicesMember" xlink:to="ebs_MedicalDevicesMember_lbl1" xlink:title="label: MedicalDevicesMember to ebs_MedicalDevicesMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_BasisOfPresentationAndConsolidationAbstract" xlink:label="BasisOfPresentationAndConsolidationAbstract" xlink:title="BasisOfPresentationAndConsolidationAbstract" />
    <link:label xlink:type="resource" xlink:label="ebs_BasisOfPresentationAndConsolidationAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_BasisOfPresentationAndConsolidationAbstract_lbl1" xml:lang="en-US" id="ebs_BasisOfPresentationAndConsolidationAbstract_lbl1">Basis of presentation and consolidation [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BasisOfPresentationAndConsolidationAbstract" xlink:to="ebs_BasisOfPresentationAndConsolidationAbstract_lbl1" xlink:title="label: BasisOfPresentationAndConsolidationAbstract to ebs_BasisOfPresentationAndConsolidationAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_TermOfProcurementContract" xlink:label="TermOfProcurementContract" xlink:title="TermOfProcurementContract" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfProcurementContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_TermOfProcurementContract_lbl" xml:lang="en-US" id="ebs_TermOfProcurementContract_lbl">Refers to the term of procurement contract.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfProcurementContract" xlink:to="ebs_TermOfProcurementContract_lbl" xlink:title="label: TermOfProcurementContract to ebs_TermOfProcurementContract_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfProcurementContract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_TermOfProcurementContract_lbl1" xml:lang="en-US" id="ebs_TermOfProcurementContract_lbl1">Term of procurement contract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfProcurementContract" xlink:to="ebs_TermOfProcurementContract_lbl1" xlink:title="label: TermOfProcurementContract to ebs_TermOfProcurementContract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DocumentAndEntityInformationAbstract" xlink:label="DocumentAndEntityInformationAbstract" xlink:title="DocumentAndEntityInformationAbstract" />
    <link:label xlink:type="resource" xlink:label="ebs_DocumentAndEntityInformationAbstract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DocumentAndEntityInformationAbstract_lbl1" xml:lang="en-US" id="ebs_DocumentAndEntityInformationAbstract_lbl1">Document and Entity Information [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DocumentAndEntityInformationAbstract" xlink:to="ebs_DocumentAndEntityInformationAbstract_lbl1" xlink:title="label: DocumentAndEntityInformationAbstract to ebs_DocumentAndEntityInformationAbstract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember" xlink:label="EmergentBiosolutionsEmployeeStockOptionPlanMember" xlink:title="EmergentBiosolutionsEmployeeStockOptionPlanMember" />
    <link:label xlink:type="resource" xlink:label="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl" xml:lang="en-US" id="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl">A share-based compensation plan adopted by the Company in 2004.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergentBiosolutionsEmployeeStockOptionPlanMember" xlink:to="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl" xlink:title="label: EmergentBiosolutionsEmployeeStockOptionPlanMember to ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl1" xml:lang="en-US" id="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl1">Emergent BioSolutions Employee Stock Option Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergentBiosolutionsEmployeeStockOptionPlanMember" xlink:to="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl1" xlink:title="label: EmergentBiosolutionsEmployeeStockOptionPlanMember to ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl2" xml:lang="en-US" id="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl2">2004 Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergentBiosolutionsEmployeeStockOptionPlanMember" xlink:to="ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl2" xlink:title="label: EmergentBiosolutionsEmployeeStockOptionPlanMember to ebs_EmergentBiosolutionsEmployeeStockOptionPlanMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember" xlink:label="EmergentBiosolutionsInc2006StockIncentivePlanMember" xlink:title="EmergentBiosolutionsInc2006StockIncentivePlanMember" />
    <link:label xlink:type="resource" xlink:label="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl" xml:lang="en-US" id="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl">A share-based compensation plan adopted by the Company in 2006.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergentBiosolutionsInc2006StockIncentivePlanMember" xlink:to="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl" xlink:title="label: EmergentBiosolutionsInc2006StockIncentivePlanMember to ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl1" xml:lang="en-US" id="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl1">Emergent BioSolutions Inc. 2006 Stock Incentive Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergentBiosolutionsInc2006StockIncentivePlanMember" xlink:to="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl1" xlink:title="label: EmergentBiosolutionsInc2006StockIncentivePlanMember to ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl2" xml:lang="en-US" id="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl2">2006 Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EmergentBiosolutionsInc2006StockIncentivePlanMember" xlink:to="ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl2" xlink:title="label: EmergentBiosolutionsInc2006StockIncentivePlanMember to ebs_EmergentBiosolutionsInc2006StockIncentivePlanMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" xlink:label="ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" xlink:title="ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl">Fair value of share-based compensation awards vested. Includes options, share units, stock appreciation rights, and restricted stock.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" xlink:to="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl" xlink:title="label: ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue to ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl1" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl1">Share based Compensation Arrangement Share based Payment Award, Awards Vested in Period, Fair Value</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" xlink:to="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl1" xlink:title="label: ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue to ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl2" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl2">Total fair value of awards vested</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue" xlink:to="ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl2" xlink:title="label: ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue to ebs_ShareBasedCompensationArrangementShareBasedPaymentAwardAwardsVestedInPeriodFairValue_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfEquityAwardPlans" xlink:label="NumberOfEquityAwardPlans" xlink:title="NumberOfEquityAwardPlans" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfEquityAwardPlans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfEquityAwardPlans_lbl" xml:lang="en-US" id="ebs_NumberOfEquityAwardPlans_lbl">Refers to the number of equity award plans the Company has.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfEquityAwardPlans" xlink:to="ebs_NumberOfEquityAwardPlans_lbl" xlink:title="label: NumberOfEquityAwardPlans to ebs_NumberOfEquityAwardPlans_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfEquityAwardPlans_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfEquityAwardPlans_lbl1" xml:lang="en-US" id="ebs_NumberOfEquityAwardPlans_lbl1">Number of equity award plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfEquityAwardPlans" xlink:to="ebs_NumberOfEquityAwardPlans_lbl1" xlink:title="label: NumberOfEquityAwardPlans to ebs_NumberOfEquityAwardPlans_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl">The number of equity-based payment instruments, excluding stock (or unit) options, that expired during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl1" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl1">Share Based Compensation Arrangement By Share Based Payment Award Equity Instruments Other Than Options Expired In Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl2" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl2">Cancelled (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredInPeriod_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl">Equitable adjustment of shares (or other type of equity) under an equity-based award plan, other than a stock option plan during the reporting period.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl1" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl1">Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Other Increases (Decreases) in Period</link:label>
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    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl2" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsOtherIncreasesDecreasesInPeriod_lbl2">Equitable adjustment (in shares)</link:label>
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWeightedAverageGrantDateFairValue" />
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    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWeightedAverageGrantDateFairValue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWeightedAverageGrantDateFairValue_lbl2" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsExpiredWeightedAverageGrantDateFairValue_lbl2">Cancelled (in dollars per share)</link:label>
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsEquitableAdjustmentWeightedAverageGrantDateFairValue" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsEquitableAdjustmentWeightedAverageGrantDateFairValue" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardEquityInstrumentsOtherThanOptionsEquitableAdjustmentWeightedAverageGrantDateFairValue" />
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsCashFlowTableTextBlock" xlink:label="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsCashFlowTableTextBlock" xlink:title="ScheduleOfDisposalGroupsIncludingDiscontinuedOperationsCashFlowTableTextBlock" />
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfSharesReceivedInShares" xlink:label="NumberOfSharesReceivedInShares" xlink:title="NumberOfSharesReceivedInShares" />
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    <link:label xlink:type="resource" xlink:label="ebs_NumberOfSharesReceivedInShares_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfSharesReceivedInShares_lbl1" xml:lang="en-US" id="ebs_NumberOfSharesReceivedInShares_lbl1">Number of shares received (in shares)</link:label>
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfSharesHeldInShares" xlink:label="NumberOfSharesHeldInShares" xlink:title="NumberOfSharesHeldInShares" />
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_RecordDateForDistribution" xlink:label="RecordDateForDistribution" xlink:title="RecordDateForDistribution" />
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    <link:label xlink:type="resource" xlink:label="ebs_PercentageOfOutstandingSharesDistributed_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_PercentageOfOutstandingSharesDistributed_lbl1" xml:lang="en-US" id="ebs_PercentageOfOutstandingSharesDistributed_lbl1">Percentage Of Outstanding Shares Distributed</link:label>
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    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DisposalGroupNotDiscontinuedOperationIncomeStatementSalesRevenueAbstract" xlink:label="DisposalGroupNotDiscontinuedOperationIncomeStatementSalesRevenueAbstract" xlink:title="DisposalGroupNotDiscontinuedOperationIncomeStatementSalesRevenueAbstract" />
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    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract_lbl2" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract_lbl2">Operating expense [Abstract]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract_lbl2" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract to ebs_DisposalGroupIncludingDiscontinuedOperationOperatingExpensesAbstract_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense" xlink:label="DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense" xlink:title="DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl">Amount of selling, general and administrative expense attributable to disposal group, including, but not limited to, discontinued operation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense to ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl1" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl1">Disposal Group Including Discontinued Operation Selling General And Administrative Expense</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl1" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense to ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl2" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl2">Selling, general and administrative</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl2" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense to ebs_DisposalGroupIncludingDiscontinuedOperationSellingGeneralAndAdministrativeExpense_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet" xlink:label="DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet" xlink:title="DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl">Aggregate revenue during the period from the sale of goods in the normal course of business, after deducting returns, allowances and discounts attributable to disposal group, including but not limited to, discontinued operations.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet to ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl1" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl1">Disposal Group Including Discontinued Operation Sales Revenue Goods Net</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl1" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet to ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl2" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl2">Product sales</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl2" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet to ebs_DisposalGroupIncludingDiscontinuedOperationSalesRevenueGoodsNet_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue" xlink:label="DisposalGroupIncludingDiscontinuedOperationContractsRevenue" xlink:title="DisposalGroupIncludingDiscontinuedOperationContractsRevenue" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl">Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and construction contracts, classified as other attributable to disposal group, including, but not limited to, discontinued operation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationContractsRevenue" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationContractsRevenue to ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl1" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl1">Disposal Group Including Discontinued Operation Contracts Revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationContractsRevenue" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl1" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationContractsRevenue to ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl2" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl2">Collaborations</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationContractsRevenue" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl2" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationContractsRevenue to ebs_DisposalGroupIncludingDiscontinuedOperationContractsRevenue_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfCommonStockDistributed" xlink:label="NumberOfCommonStockDistributed" xlink:title="NumberOfCommonStockDistributed" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfCommonStockDistributed_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfCommonStockDistributed_lbl" xml:lang="en-US" id="ebs_NumberOfCommonStockDistributed_lbl">Shares issued in the distribution.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCommonStockDistributed" xlink:to="ebs_NumberOfCommonStockDistributed_lbl" xlink:title="label: NumberOfCommonStockDistributed to ebs_NumberOfCommonStockDistributed_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfCommonStockDistributed_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfCommonStockDistributed_lbl1" xml:lang="en-US" id="ebs_NumberOfCommonStockDistributed_lbl1">Number of common stock distributed</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCommonStockDistributed" xlink:to="ebs_NumberOfCommonStockDistributed_lbl1" xlink:title="label: NumberOfCommonStockDistributed to ebs_NumberOfCommonStockDistributed_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfCommonStockDistributed_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_NumberOfCommonStockDistributed_lbl2" xml:lang="en-US" id="ebs_NumberOfCommonStockDistributed_lbl2">Number of common stock distributed (in shares)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfCommonStockDistributed" xlink:to="ebs_NumberOfCommonStockDistributed_lbl2" xlink:title="label: NumberOfCommonStockDistributed to ebs_NumberOfCommonStockDistributed_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment" xlink:label="DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment" xlink:title="DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl">Amount of research and development expense attributable to disposal group, including, but not limited to, discontinued operation.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment to ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl1" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl1">Disposal Group Including Discontinued Operation Research And Development</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl1" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment to ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl2" xml:lang="en-US" id="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl2">Research and development</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment" xlink:to="ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl2" xlink:title="label: DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment to ebs_DisposalGroupIncludingDiscontinuedOperationResearchAndDevelopment_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_TermOfManufacturingServicesContract" xlink:label="TermOfManufacturingServicesContract" xlink:title="TermOfManufacturingServicesContract" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfManufacturingServicesContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_TermOfManufacturingServicesContract_lbl" xml:lang="en-US" id="ebs_TermOfManufacturingServicesContract_lbl">Term of manufacturing services contract commencing on the date of distribution.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfManufacturingServicesContract" xlink:to="ebs_TermOfManufacturingServicesContract_lbl" xlink:title="label: TermOfManufacturingServicesContract to ebs_TermOfManufacturingServicesContract_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfManufacturingServicesContract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_TermOfManufacturingServicesContract_lbl1" xml:lang="en-US" id="ebs_TermOfManufacturingServicesContract_lbl1">Term of manufacturing services contract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfManufacturingServicesContract" xlink:to="ebs_TermOfManufacturingServicesContract_lbl1" xlink:title="label: TermOfManufacturingServicesContract to ebs_TermOfManufacturingServicesContract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_TermOfTransitionServicesAgreement" xlink:label="TermOfTransitionServicesAgreement" xlink:title="TermOfTransitionServicesAgreement" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfTransitionServicesAgreement_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_TermOfTransitionServicesAgreement_lbl" xml:lang="en-US" id="ebs_TermOfTransitionServicesAgreement_lbl">Term of agreement to provide transitional services following the date of distribution.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfTransitionServicesAgreement" xlink:to="ebs_TermOfTransitionServicesAgreement_lbl" xlink:title="label: TermOfTransitionServicesAgreement to ebs_TermOfTransitionServicesAgreement_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfTransitionServicesAgreement_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_TermOfTransitionServicesAgreement_lbl1" xml:lang="en-US" id="ebs_TermOfTransitionServicesAgreement_lbl1">Term of transition services agreement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfTransitionServicesAgreement" xlink:to="ebs_TermOfTransitionServicesAgreement_lbl1" xlink:title="label: TermOfTransitionServicesAgreement to ebs_TermOfTransitionServicesAgreement_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AptevoMember" xlink:label="AptevoMember" xlink:title="AptevoMember" />
    <link:label xlink:type="resource" xlink:label="ebs_AptevoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AptevoMember_lbl" xml:lang="en-US" id="ebs_AptevoMember_lbl">Company which develops vaccines, antibody therapies and technology platforms for use against infectious diseases, oncology, autoimmune and inflammatory disorders and other medical conditions that have resulted in significant unmet or underserved public health needs.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AptevoMember" xlink:to="ebs_AptevoMember_lbl" xlink:title="label: AptevoMember to ebs_AptevoMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AptevoMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AptevoMember_lbl1" xml:lang="en-US" id="ebs_AptevoMember_lbl1">Aptevo [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AptevoMember" xlink:to="ebs_AptevoMember_lbl1" xlink:title="label: AptevoMember to ebs_AptevoMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_AptevoMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_AptevoMember_lbl2" xml:lang="en-US" id="ebs_AptevoMember_lbl2">Aptevo [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AptevoMember" xlink:to="ebs_AptevoMember_lbl2" xlink:title="label: AptevoMember to ebs_AptevoMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ManufacturingServicesRevenue" xlink:label="ManufacturingServicesRevenue" xlink:title="ManufacturingServicesRevenue" />
    <link:label xlink:type="resource" xlink:label="ebs_ManufacturingServicesRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ManufacturingServicesRevenue_lbl" xml:lang="en-US" id="ebs_ManufacturingServicesRevenue_lbl">Amount of revenue from manufacturing services.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ManufacturingServicesRevenue" xlink:to="ebs_ManufacturingServicesRevenue_lbl" xlink:title="label: ManufacturingServicesRevenue to ebs_ManufacturingServicesRevenue_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ManufacturingServicesRevenue_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ManufacturingServicesRevenue_lbl1" xml:lang="en-US" id="ebs_ManufacturingServicesRevenue_lbl1">Manufacturing services revenue</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ManufacturingServicesRevenue" xlink:to="ebs_ManufacturingServicesRevenue_lbl1" xlink:title="label: ManufacturingServicesRevenue to ebs_ManufacturingServicesRevenue_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_RetentionPaymentsMember" xlink:label="RetentionPaymentsMember" xlink:title="RetentionPaymentsMember" />
    <link:label xlink:type="resource" xlink:label="ebs_RetentionPaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_RetentionPaymentsMember_lbl" xml:lang="en-US" id="ebs_RetentionPaymentsMember_lbl">Restructuring costs related to retention of certain employees.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetentionPaymentsMember" xlink:to="ebs_RetentionPaymentsMember_lbl" xlink:title="label: RetentionPaymentsMember to ebs_RetentionPaymentsMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_RetentionPaymentsMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_RetentionPaymentsMember_lbl1" xml:lang="en-US" id="ebs_RetentionPaymentsMember_lbl1">Retention Payments [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="RetentionPaymentsMember" xlink:to="ebs_RetentionPaymentsMember_lbl1" xlink:title="label: RetentionPaymentsMember to ebs_RetentionPaymentsMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfFacilities" xlink:label="NumberOfFacilities" xlink:title="NumberOfFacilities" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfFacilities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfFacilities_lbl" xml:lang="en-US" id="ebs_NumberOfFacilities_lbl">Refers to the number of facilities to be restructured.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFacilities" xlink:to="ebs_NumberOfFacilities_lbl" xlink:title="label: NumberOfFacilities to ebs_NumberOfFacilities_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfFacilities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfFacilities_lbl1" xml:lang="en-US" id="ebs_NumberOfFacilities_lbl1">Number of facilities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfFacilities" xlink:to="ebs_NumberOfFacilities_lbl1" xlink:title="label: NumberOfFacilities to ebs_NumberOfFacilities_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EBOLRestructuringPlanMember" xlink:label="EBOLRestructuringPlanMember" xlink:title="EBOLRestructuringPlanMember" />
    <link:label xlink:type="resource" xlink:label="ebs_EBOLRestructuringPlanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EBOLRestructuringPlanMember_lbl" xml:lang="en-US" id="ebs_EBOLRestructuringPlanMember_lbl">A plan adopted by the Company in August 2016 to restructure and reprioritize the operations of Emergent BioDefense Operations Lansing LLC ("EBOL").</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EBOLRestructuringPlanMember" xlink:to="ebs_EBOLRestructuringPlanMember_lbl" xlink:title="label: EBOLRestructuringPlanMember to ebs_EBOLRestructuringPlanMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EBOLRestructuringPlanMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EBOLRestructuringPlanMember_lbl1" xml:lang="en-US" id="ebs_EBOLRestructuringPlanMember_lbl1">EBOL Restructuring Plan [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EBOLRestructuringPlanMember" xlink:to="ebs_EBOLRestructuringPlanMember_lbl1" xlink:title="label: EBOLRestructuringPlanMember to ebs_EBOLRestructuringPlanMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AbandonmentOfEquipmentMember" xlink:label="AbandonmentOfEquipmentMember" xlink:title="AbandonmentOfEquipmentMember" />
    <link:label xlink:type="resource" xlink:label="ebs_AbandonmentOfEquipmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AbandonmentOfEquipmentMember_lbl" xml:lang="en-US" id="ebs_AbandonmentOfEquipmentMember_lbl">Restructuring cost related to abandonment of equipment.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AbandonmentOfEquipmentMember" xlink:to="ebs_AbandonmentOfEquipmentMember_lbl" xlink:title="label: AbandonmentOfEquipmentMember to ebs_AbandonmentOfEquipmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AbandonmentOfEquipmentMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AbandonmentOfEquipmentMember_lbl1" xml:lang="en-US" id="ebs_AbandonmentOfEquipmentMember_lbl1">Abandonment of Equipment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AbandonmentOfEquipmentMember" xlink:to="ebs_AbandonmentOfEquipmentMember_lbl1" xlink:title="label: AbandonmentOfEquipmentMember to ebs_AbandonmentOfEquipmentMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_InventoryAllowanceMember" xlink:label="InventoryAllowanceMember" xlink:title="InventoryAllowanceMember" />
    <link:label xlink:type="resource" xlink:label="ebs_InventoryAllowanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_InventoryAllowanceMember_lbl" xml:lang="en-US" id="ebs_InventoryAllowanceMember_lbl">A valuation allowance relating to inventory.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryAllowanceMember" xlink:to="ebs_InventoryAllowanceMember_lbl" xlink:title="label: InventoryAllowanceMember to ebs_InventoryAllowanceMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_InventoryAllowanceMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_InventoryAllowanceMember_lbl1" xml:lang="en-US" id="ebs_InventoryAllowanceMember_lbl1">Inventory Allowance [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="InventoryAllowanceMember" xlink:to="ebs_InventoryAllowanceMember_lbl1" xlink:title="label: InventoryAllowanceMember to ebs_InventoryAllowanceMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember" xlink:label="PrepaidExpensesAndOtherCurrentAssetsAllowanceMember" xlink:title="PrepaidExpensesAndOtherCurrentAssetsAllowanceMember" />
    <link:label xlink:type="resource" xlink:label="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl" xml:lang="en-US" id="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl">A valuation allowance relating to prepaid expenses and other current assets.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpensesAndOtherCurrentAssetsAllowanceMember" xlink:to="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl" xlink:title="label: PrepaidExpensesAndOtherCurrentAssetsAllowanceMember to ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl1" xml:lang="en-US" id="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl1">Prepaid Expenses and Other Current Assets Allowance [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PrepaidExpensesAndOtherCurrentAssetsAllowanceMember" xlink:to="ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl1" xlink:title="label: PrepaidExpensesAndOtherCurrentAssetsAllowanceMember to ebs_PrepaidExpensesAndOtherCurrentAssetsAllowanceMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EBSRaxibacumabMember" xlink:label="EBSRaxibacumabMember" xlink:title="EBSRaxibacumabMember" />
    <link:label xlink:type="resource" xlink:label="ebs_EBSRaxibacumabMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EBSRaxibacumabMember_lbl" xml:lang="en-US" id="ebs_EBSRaxibacumabMember_lbl">Asset acquisition in October of 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EBSRaxibacumabMember" xlink:to="ebs_EBSRaxibacumabMember_lbl" xlink:title="label: EBSRaxibacumabMember to ebs_EBSRaxibacumabMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EBSRaxibacumabMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EBSRaxibacumabMember_lbl1" xml:lang="en-US" id="ebs_EBSRaxibacumabMember_lbl1">RaxibacumabMember [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EBSRaxibacumabMember" xlink:to="ebs_EBSRaxibacumabMember_lbl1" xlink:title="label: EBSRaxibacumabMember to ebs_EBSRaxibacumabMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_EBSRaxibacumabMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_EBSRaxibacumabMember_lbl2" xml:lang="en-US" id="ebs_EBSRaxibacumabMember_lbl2">Raxibacumab [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EBSRaxibacumabMember" xlink:to="ebs_EBSRaxibacumabMember_lbl2" xlink:title="label: EBSRaxibacumabMember to ebs_EBSRaxibacumabMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_SanofiMember" xlink:label="SanofiMember" xlink:title="SanofiMember" />
    <link:label xlink:type="resource" xlink:label="ebs_SanofiMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_SanofiMember_lbl" xml:lang="en-US" id="ebs_SanofiMember_lbl">Business acquisition in July 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SanofiMember" xlink:to="ebs_SanofiMember_lbl" xlink:title="label: SanofiMember to ebs_SanofiMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_SanofiMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_SanofiMember_lbl1" xml:lang="en-US" id="ebs_SanofiMember_lbl1">Sanofi [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="SanofiMember" xlink:to="ebs_SanofiMember_lbl1" xlink:title="label: SanofiMember to ebs_SanofiMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_GSKMember" xlink:label="GSKMember" xlink:title="GSKMember" />
    <link:label xlink:type="resource" xlink:label="ebs_GSKMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_GSKMember_lbl" xml:lang="en-US" id="ebs_GSKMember_lbl">Business acquisition in July 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GSKMember" xlink:to="ebs_GSKMember_lbl" xlink:title="label: GSKMember to ebs_GSKMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_GSKMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_GSKMember_lbl1" xml:lang="en-US" id="ebs_GSKMember_lbl1">GSK [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="GSKMember" xlink:to="ebs_GSKMember_lbl1" xlink:title="label: GSKMember to ebs_GSKMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_TermOfContractUnderAcquisition" xlink:label="TermOfContractUnderAcquisition" xlink:title="TermOfContractUnderAcquisition" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfContractUnderAcquisition_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_TermOfContractUnderAcquisition_lbl" xml:lang="en-US" id="ebs_TermOfContractUnderAcquisition_lbl">Term of contract under acquisition.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfContractUnderAcquisition" xlink:to="ebs_TermOfContractUnderAcquisition_lbl" xlink:title="label: TermOfContractUnderAcquisition to ebs_TermOfContractUnderAcquisition_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_TermOfContractUnderAcquisition_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_TermOfContractUnderAcquisition_lbl1" xml:lang="en-US" id="ebs_TermOfContractUnderAcquisition_lbl1">Term of contract under acquisition</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="TermOfContractUnderAcquisition" xlink:to="ebs_TermOfContractUnderAcquisition_lbl1" xlink:title="label: TermOfContractUnderAcquisition to ebs_TermOfContractUnderAcquisition_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ValueOfContract" xlink:label="ValueOfContract" xlink:title="ValueOfContract" />
    <link:label xlink:type="resource" xlink:label="ebs_ValueOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ValueOfContract_lbl" xml:lang="en-US" id="ebs_ValueOfContract_lbl">Refers to the value of contract.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValueOfContract" xlink:to="ebs_ValueOfContract_lbl" xlink:title="label: ValueOfContract to ebs_ValueOfContract_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ValueOfContract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ValueOfContract_lbl1" xml:lang="en-US" id="ebs_ValueOfContract_lbl1">Value of contract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ValueOfContract" xlink:to="ebs_ValueOfContract_lbl1" xlink:title="label: ValueOfContract to ebs_ValueOfContract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AmountForDeliveriesOfProduct" xlink:label="AmountForDeliveriesOfProduct" xlink:title="AmountForDeliveriesOfProduct" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountForDeliveriesOfProduct_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AmountForDeliveriesOfProduct_lbl" xml:lang="en-US" id="ebs_AmountForDeliveriesOfProduct_lbl">Amount for deliveries of product to the Strategic National Stockpile ("SNS").</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountForDeliveriesOfProduct" xlink:to="ebs_AmountForDeliveriesOfProduct_lbl" xlink:title="label: AmountForDeliveriesOfProduct to ebs_AmountForDeliveriesOfProduct_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountForDeliveriesOfProduct_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AmountForDeliveriesOfProduct_lbl1" xml:lang="en-US" id="ebs_AmountForDeliveriesOfProduct_lbl1">Amount for deliveries of product</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountForDeliveriesOfProduct" xlink:to="ebs_AmountForDeliveriesOfProduct_lbl1" xlink:title="label: AmountForDeliveriesOfProduct to ebs_AmountForDeliveriesOfProduct_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountForDeliveriesOfProduct_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_AmountForDeliveriesOfProduct_lbl2" xml:lang="en-US" id="ebs_AmountForDeliveriesOfProduct_lbl2">Amount for deliveries of product to the SNS</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountForDeliveriesOfProduct" xlink:to="ebs_AmountForDeliveriesOfProduct_lbl2" xlink:title="label: AmountForDeliveriesOfProduct to ebs_AmountForDeliveriesOfProduct_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_UpfrontPayments" xlink:label="UpfrontPayments" xlink:title="UpfrontPayments" />
    <link:label xlink:type="resource" xlink:label="ebs_UpfrontPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_UpfrontPayments_lbl" xml:lang="en-US" id="ebs_UpfrontPayments_lbl">Refers to upfront payments by the entity.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UpfrontPayments" xlink:to="ebs_UpfrontPayments_lbl" xlink:title="label: UpfrontPayments to ebs_UpfrontPayments_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_UpfrontPayments_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_UpfrontPayments_lbl1" xml:lang="en-US" id="ebs_UpfrontPayments_lbl1">Upfront Payments</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UpfrontPayments" xlink:to="ebs_UpfrontPayments_lbl1" xlink:title="label: UpfrontPayments to ebs_UpfrontPayments_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_UpfrontPayments_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_UpfrontPayments_lbl2" xml:lang="en-US" id="ebs_UpfrontPayments_lbl2">Upfront cash payment</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="UpfrontPayments" xlink:to="ebs_UpfrontPayments_lbl2" xlink:title="label: UpfrontPayments to ebs_UpfrontPayments_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AmountOfPaymentForManufacturingRelatedMilestones" xlink:label="AmountOfPaymentForManufacturingRelatedMilestones" xlink:title="AmountOfPaymentForManufacturingRelatedMilestones" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl" xml:lang="en-US" id="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl">The cash outflow associated with manufacturing related milestones.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfPaymentForManufacturingRelatedMilestones" xlink:to="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl" xlink:title="label: AmountOfPaymentForManufacturingRelatedMilestones to ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl1" xml:lang="en-US" id="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl1">Amount of payment for manufacturing related milestones</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfPaymentForManufacturingRelatedMilestones" xlink:to="ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl1" xlink:title="label: AmountOfPaymentForManufacturingRelatedMilestones to ebs_AmountOfPaymentForManufacturingRelatedMilestones_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards" xlink:label="OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards" xlink:title="OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl" xml:lang="en-US" id="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl">Period of a change in the nature or conduct of the business following a change in ownership, which changes the life of operating loss carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards" xlink:to="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl" xlink:title="label: OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards to ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl1" xml:lang="en-US" id="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl1">Operating Loss Carryforwards, Period of Change in Nature and Conduct of Business for Changing Life of Operating Loss Carryforwards</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards" xlink:to="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl1" xlink:title="label: OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards to ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl2" xml:lang="en-US" id="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl2">Period of change in the nature or conduct of business following change in ownership</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards" xlink:to="ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl2" xlink:title="label: OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards to ebs_OperatingLossCarryforwardsPeriodOfChangeInNatureAndConductOfBusinessForChangingLifeOfOperatingLossCarryforwards_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_CanadianFederalScientificResearchAndDevelopmentMember" xlink:label="CanadianFederalScientificResearchAndDevelopmentMember" xlink:title="CanadianFederalScientificResearchAndDevelopmentMember" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl" xml:lang="en-US" id="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl">Refers to Canadian Federal Scientific Research And Experimental Development.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalScientificResearchAndDevelopmentMember" xlink:to="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl" xlink:title="label: CanadianFederalScientificResearchAndDevelopmentMember to ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl1" xml:lang="en-US" id="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl1">CanadianFederalScientificResearchAndExperimentalDevelopment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalScientificResearchAndDevelopmentMember" xlink:to="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl1" xlink:title="label: CanadianFederalScientificResearchAndDevelopmentMember to ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl2" xml:lang="en-US" id="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl2">Canadian Federal Scientific Research And Experimental Development [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalScientificResearchAndDevelopmentMember" xlink:to="ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl2" xlink:title="label: CanadianFederalScientificResearchAndDevelopmentMember to ebs_CanadianFederalScientificResearchAndDevelopmentMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember" xlink:label="ManitobaScientificResearchAndExperimentalDevelopmentMember" xlink:title="ManitobaScientificResearchAndExperimentalDevelopmentMember" />
    <link:label xlink:type="resource" xlink:label="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl" xml:lang="en-US" id="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl">Refers to Manitoba Scientific Research And Experimental Development.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ManitobaScientificResearchAndExperimentalDevelopmentMember" xlink:to="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl" xlink:title="label: ManitobaScientificResearchAndExperimentalDevelopmentMember to ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl1" xml:lang="en-US" id="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl1">ManitobaScientificResearchAndExperimentalDevelopment [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ManitobaScientificResearchAndExperimentalDevelopmentMember" xlink:to="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl1" xlink:title="label: ManitobaScientificResearchAndExperimentalDevelopmentMember to ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl2" xml:lang="en-US" id="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl2">Manitoba Scientific Research And Experimental Development [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ManitobaScientificResearchAndExperimentalDevelopmentMember" xlink:to="ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl2" xlink:title="label: ManitobaScientificResearchAndExperimentalDevelopmentMember to ebs_ManitobaScientificResearchAndExperimentalDevelopmentMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" xlink:label="DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" xlink:title="DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" />
    <link:label xlink:type="resource" xlink:label="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl" xml:lang="en-US" id="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl">Amount before allocation of valuation allowances of deferred tax asset attributable to deductible scientific research and experimental development tax credit carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" xlink:to="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl" xlink:title="label: DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment to ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl1" xml:lang="en-US" id="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl1">Deferred Tax Assets, Tax Credit Carryforwards, Scientific Research and Experimental Development</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" xlink:to="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl1" xlink:title="label: DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment to ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl2" xml:lang="en-US" id="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl2">Scientific research and experimental development credit carryforward</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment" xlink:to="ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl2" xlink:title="label: DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment to ebs_DeferredTaxAssetsTaxCreditCarryforwardsScientificResearchAndExperimentalDevelopment_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NetOperatingLossCarryforwardState" xlink:label="NetOperatingLossCarryforwardState" xlink:title="NetOperatingLossCarryforwardState" />
    <link:label xlink:type="resource" xlink:label="ebs_NetOperatingLossCarryforwardState_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NetOperatingLossCarryforwardState_lbl" xml:lang="en-US" id="ebs_NetOperatingLossCarryforwardState_lbl">Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetOperatingLossCarryforwardState" xlink:to="ebs_NetOperatingLossCarryforwardState_lbl" xlink:title="label: NetOperatingLossCarryforwardState to ebs_NetOperatingLossCarryforwardState_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NetOperatingLossCarryforwardState_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NetOperatingLossCarryforwardState_lbl1" xml:lang="en-US" id="ebs_NetOperatingLossCarryforwardState_lbl1">Net Operating Loss Carryforward (state)</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetOperatingLossCarryforwardState" xlink:to="ebs_NetOperatingLossCarryforwardState_lbl1" xlink:title="label: NetOperatingLossCarryforwardState to ebs_NetOperatingLossCarryforwardState_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_NetOperatingLossCarryforwardState_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_NetOperatingLossCarryforwardState_lbl2" xml:lang="en-US" id="ebs_NetOperatingLossCarryforwardState_lbl2">State losses carryforward</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NetOperatingLossCarryforwardState" xlink:to="ebs_NetOperatingLossCarryforwardState_lbl2" xlink:title="label: NetOperatingLossCarryforwardState to ebs_NetOperatingLossCarryforwardState_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_StateAndLocalJurisdictionTaxEffectedMember" xlink:label="StateAndLocalJurisdictionTaxEffectedMember" xlink:title="StateAndLocalJurisdictionTaxEffectedMember" />
    <link:label xlink:type="resource" xlink:label="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl" xml:lang="en-US" id="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl">Refers to State and Local Jurisdiction -Tax Effected.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StateAndLocalJurisdictionTaxEffectedMember" xlink:to="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl" xlink:title="label: StateAndLocalJurisdictionTaxEffectedMember to ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl1" xml:lang="en-US" id="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl1">State and Local Jurisdiction -Tax Effected [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StateAndLocalJurisdictionTaxEffectedMember" xlink:to="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl1" xlink:title="label: StateAndLocalJurisdictionTaxEffectedMember to ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl2" xml:lang="en-US" id="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl2">State and Local Jurisdiction - Tax Effected [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="StateAndLocalJurisdictionTaxEffectedMember" xlink:to="ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl2" xlink:title="label: StateAndLocalJurisdictionTaxEffectedMember to ebs_StateAndLocalJurisdictionTaxEffectedMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_USFederalTaxAuthorityTaxEffectedMember" xlink:label="USFederalTaxAuthorityTaxEffectedMember" xlink:title="USFederalTaxAuthorityTaxEffectedMember" />
    <link:label xlink:type="resource" xlink:label="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl" xml:lang="en-US" id="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl">Refers to U.S. Federal Tax Authority-Tax Effected.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USFederalTaxAuthorityTaxEffectedMember" xlink:to="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl" xlink:title="label: USFederalTaxAuthorityTaxEffectedMember to ebs_USFederalTaxAuthorityTaxEffectedMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl1" xml:lang="en-US" id="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl1">U.S. Federal Tax Authority-Tax Effected [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USFederalTaxAuthorityTaxEffectedMember" xlink:to="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl1" xlink:title="label: USFederalTaxAuthorityTaxEffectedMember to ebs_USFederalTaxAuthorityTaxEffectedMember_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl2" xml:lang="en-US" id="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl2">U.S. Federal Tax Authority - Tax Effected [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="USFederalTaxAuthorityTaxEffectedMember" xlink:to="ebs_USFederalTaxAuthorityTaxEffectedMember_lbl2" xlink:title="label: USFederalTaxAuthorityTaxEffectedMember to ebs_USFederalTaxAuthorityTaxEffectedMember_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_CanadianFederalGrossMember" xlink:label="CanadianFederalGrossMember" xlink:title="CanadianFederalGrossMember" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalGrossMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_CanadianFederalGrossMember_lbl" xml:lang="en-US" id="ebs_CanadianFederalGrossMember_lbl">Refers to Canadian Federal Gross.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalGrossMember" xlink:to="ebs_CanadianFederalGrossMember_lbl" xlink:title="label: CanadianFederalGrossMember to ebs_CanadianFederalGrossMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalGrossMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_CanadianFederalGrossMember_lbl1" xml:lang="en-US" id="ebs_CanadianFederalGrossMember_lbl1">Canadian Federal Gross [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalGrossMember" xlink:to="ebs_CanadianFederalGrossMember_lbl1" xlink:title="label: CanadianFederalGrossMember to ebs_CanadianFederalGrossMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_CanadianFederalTaxEffectedMember" xlink:label="CanadianFederalTaxEffectedMember" xlink:title="CanadianFederalTaxEffectedMember" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalTaxEffectedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_CanadianFederalTaxEffectedMember_lbl" xml:lang="en-US" id="ebs_CanadianFederalTaxEffectedMember_lbl">Refers to Canadian Federal Tax Effected.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalTaxEffectedMember" xlink:to="ebs_CanadianFederalTaxEffectedMember_lbl" xlink:title="label: CanadianFederalTaxEffectedMember to ebs_CanadianFederalTaxEffectedMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_CanadianFederalTaxEffectedMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_CanadianFederalTaxEffectedMember_lbl1" xml:lang="en-US" id="ebs_CanadianFederalTaxEffectedMember_lbl1">Canadian Federal Tax Effected [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="CanadianFederalTaxEffectedMember" xlink:to="ebs_CanadianFederalTaxEffectedMember_lbl1" xlink:title="label: CanadianFederalTaxEffectedMember to ebs_CanadianFederalTaxEffectedMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ForeignTaxAuthorityTaxEffectedMember" xlink:label="ForeignTaxAuthorityTaxEffectedMember" xlink:title="ForeignTaxAuthorityTaxEffectedMember" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl" xml:lang="en-US" id="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl">Refers to Foreign Tax Authority Tax Effected.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignTaxAuthorityTaxEffectedMember" xlink:to="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl" xlink:title="label: ForeignTaxAuthorityTaxEffectedMember to ebs_ForeignTaxAuthorityTaxEffectedMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl1" xml:lang="en-US" id="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl1">Foreign Tax Authority Tax Effected [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignTaxAuthorityTaxEffectedMember" xlink:to="ebs_ForeignTaxAuthorityTaxEffectedMember_lbl1" xlink:title="label: ForeignTaxAuthorityTaxEffectedMember to ebs_ForeignTaxAuthorityTaxEffectedMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember" xlink:label="ForeignTaxAuthorityTaxEffectedExcludingCanadaMember" xlink:title="ForeignTaxAuthorityTaxEffectedExcludingCanadaMember" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl" xml:lang="en-US" id="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl">Refers to Foreign Tax Authority Tax Effected Excluding Canada.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignTaxAuthorityTaxEffectedExcludingCanadaMember" xlink:to="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl" xlink:title="label: ForeignTaxAuthorityTaxEffectedExcludingCanadaMember to ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl1" xml:lang="en-US" id="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl1">Foreign Tax Authority Tax Effected Excluding Canada [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ForeignTaxAuthorityTaxEffectedExcludingCanadaMember" xlink:to="ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl1" xlink:title="label: ForeignTaxAuthorityTaxEffectedExcludingCanadaMember to ebs_ForeignTaxAuthorityTaxEffectedExcludingCanadaMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference" xlink:label="EffectiveIncomeTaxRateReconciliationPermanentDifference" xlink:title="EffectiveIncomeTaxRateReconciliationPermanentDifference" />
    <link:label xlink:type="resource" xlink:label="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl" xml:lang="en-US" id="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl">Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to permanent differences.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateReconciliationPermanentDifference" xlink:to="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl" xlink:title="label: EffectiveIncomeTaxRateReconciliationPermanentDifference to ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl1" xml:lang="en-US" id="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl1">Effective Income Tax Rate Reconciliation, Permanent Difference</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateReconciliationPermanentDifference" xlink:to="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl1" xlink:title="label: EffectiveIncomeTaxRateReconciliationPermanentDifference to ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl2" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:title="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl2" xml:lang="en-US" id="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl2">Permanent differences</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateReconciliationPermanentDifference" xlink:to="ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl2" xlink:title="label: EffectiveIncomeTaxRateReconciliationPermanentDifference to ebs_EffectiveIncomeTaxRateReconciliationPermanentDifference_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount" xlink:label="EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount" xlink:title="EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount" />
    <link:label xlink:type="resource" xlink:label="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl" xml:lang="en-US" id="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl">Amount of reported income tax expense (benefit) in excess of (less than) expected income tax expense (benefit) computed by applying domestic federal statutory income tax rate to pretax income (loss) from continuing operations, attributable to increase (decrease) from transition tax on accumulated earnings of controlled foreign corporation deemed repatriated pursuant to Tax Cuts and Jobs Act of 2017.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount" xlink:to="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl" xlink:title="label: EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount to ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl1" xml:lang="en-US" id="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl1">Effective Income Tax Rate Reconciliation, Tax Cuts and Jobs Act of 2017, Transition Tax on Accumulated Foreign Earnings, Amount</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount" xlink:to="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl1" xlink:title="label: EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount to ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl2" xml:lang="en-US" id="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl2">Transition Tax</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount" xlink:to="ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl2" xlink:title="label: EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount to ebs_EffectiveIncomeTaxRateReconciliationTaxCutsAndJobsActOf2017TransitionTaxOnAccumulatedForeignEarningsAmount_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NuThraxMember" xlink:label="NuThraxMember" xlink:title="NuThraxMember" />
    <link:label xlink:type="resource" xlink:label="ebs_NuThraxMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NuThraxMember_lbl" xml:lang="en-US" id="ebs_NuThraxMember_lbl">Refers to NuThrax which is sold by the company.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NuThraxMember" xlink:to="ebs_NuThraxMember_lbl" xlink:title="label: NuThraxMember to ebs_NuThraxMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NuThraxMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NuThraxMember_lbl1" xml:lang="en-US" id="ebs_NuThraxMember_lbl1">NuThrax [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NuThraxMember" xlink:to="ebs_NuThraxMember_lbl1" xlink:title="label: NuThraxMember to ebs_NuThraxMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_BARDAMember" xlink:label="BARDAMember" xlink:title="BARDAMember" />
    <link:label xlink:type="resource" xlink:label="ebs_BARDAMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_BARDAMember_lbl" xml:lang="en-US" id="ebs_BARDAMember_lbl">Refers to the Biomedical Advanced Research and Development Authority (BARDA).</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BARDAMember" xlink:to="ebs_BARDAMember_lbl" xlink:title="label: BARDAMember to ebs_BARDAMember_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_BARDAMember_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_BARDAMember_lbl1" xml:lang="en-US" id="ebs_BARDAMember_lbl1">BARDA [Member]</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="BARDAMember" xlink:to="ebs_BARDAMember_lbl1" xlink:title="label: BARDAMember to ebs_BARDAMember_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ConsiderationAllocatedToDelivery" xlink:label="ConsiderationAllocatedToDelivery" xlink:title="ConsiderationAllocatedToDelivery" />
    <link:label xlink:type="resource" xlink:label="ebs_ConsiderationAllocatedToDelivery_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ConsiderationAllocatedToDelivery_lbl" xml:lang="en-US" id="ebs_ConsiderationAllocatedToDelivery_lbl">The amount of consideration allocated to delivery of the drug under the agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsiderationAllocatedToDelivery" xlink:to="ebs_ConsiderationAllocatedToDelivery_lbl" xlink:title="label: ConsiderationAllocatedToDelivery to ebs_ConsiderationAllocatedToDelivery_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ConsiderationAllocatedToDelivery_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ConsiderationAllocatedToDelivery_lbl1" xml:lang="en-US" id="ebs_ConsiderationAllocatedToDelivery_lbl1">Consideration Allocated To Delivery</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsiderationAllocatedToDelivery" xlink:to="ebs_ConsiderationAllocatedToDelivery_lbl1" xlink:title="label: ConsiderationAllocatedToDelivery to ebs_ConsiderationAllocatedToDelivery_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ConsiderationAllocatedToDelivery_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ConsiderationAllocatedToDelivery_lbl2" xml:lang="en-US" id="ebs_ConsiderationAllocatedToDelivery_lbl2">Consideration allocated to procurement</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsiderationAllocatedToDelivery" xlink:to="ebs_ConsiderationAllocatedToDelivery_lbl2" xlink:title="label: ConsiderationAllocatedToDelivery to ebs_ConsiderationAllocatedToDelivery_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ConsiderationAllocatedToDevelopmentActivities" xlink:label="ConsiderationAllocatedToDevelopmentActivities" xlink:title="ConsiderationAllocatedToDevelopmentActivities" />
    <link:label xlink:type="resource" xlink:label="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl" xml:lang="en-US" id="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl">The amount of consideration allocated to development activities for the drug under the agreement.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsiderationAllocatedToDevelopmentActivities" xlink:to="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl" xlink:title="label: ConsiderationAllocatedToDevelopmentActivities to ebs_ConsiderationAllocatedToDevelopmentActivities_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl1" xml:lang="en-US" id="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl1">Consideration Allocated To Development Activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsiderationAllocatedToDevelopmentActivities" xlink:to="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl1" xlink:title="label: ConsiderationAllocatedToDevelopmentActivities to ebs_ConsiderationAllocatedToDevelopmentActivities_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl2" xml:lang="en-US" id="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl2">Consideration allocated to development activities</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ConsiderationAllocatedToDevelopmentActivities" xlink:to="ebs_ConsiderationAllocatedToDevelopmentActivities_lbl2" xlink:title="label: ConsiderationAllocatedToDevelopmentActivities to ebs_ConsiderationAllocatedToDevelopmentActivities_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_DiscountOnPurchasePriceForDosesToBeProcured" xlink:label="DiscountOnPurchasePriceForDosesToBeProcured" xlink:title="DiscountOnPurchasePriceForDosesToBeProcured" />
    <link:label xlink:type="resource" xlink:label="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl" xml:lang="en-US" id="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl">Discount on purchase price for doses to be procured.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DiscountOnPurchasePriceForDosesToBeProcured" xlink:to="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl" xlink:title="label: DiscountOnPurchasePriceForDosesToBeProcured to ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl1" xml:lang="en-US" id="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl1">Discount on purchase price for doses to be procured</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="DiscountOnPurchasePriceForDosesToBeProcured" xlink:to="ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl1" xlink:title="label: DiscountOnPurchasePriceForDosesToBeProcured to ebs_DiscountOnPurchasePriceForDosesToBeProcured_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfDosesToBeDelivered" xlink:label="NumberOfDosesToBeDelivered" xlink:title="NumberOfDosesToBeDelivered" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfDosesToBeDelivered_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfDosesToBeDelivered_lbl" xml:lang="en-US" id="ebs_NumberOfDosesToBeDelivered_lbl">Number of doses to be delivered under the contract.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDosesToBeDelivered" xlink:to="ebs_NumberOfDosesToBeDelivered_lbl" xlink:title="label: NumberOfDosesToBeDelivered to ebs_NumberOfDosesToBeDelivered_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfDosesToBeDelivered_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfDosesToBeDelivered_lbl1" xml:lang="en-US" id="ebs_NumberOfDosesToBeDelivered_lbl1">Number of doses to be delivered</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfDosesToBeDelivered" xlink:to="ebs_NumberOfDosesToBeDelivered_lbl1" xlink:title="label: NumberOfDosesToBeDelivered to ebs_NumberOfDosesToBeDelivered_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_AmountOfContract" xlink:label="AmountOfContract" xlink:title="AmountOfContract" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_AmountOfContract_lbl" xml:lang="en-US" id="ebs_AmountOfContract_lbl">Amount of contract with BARDA for the delivery of BioThrax.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfContract" xlink:to="ebs_AmountOfContract_lbl" xlink:title="label: AmountOfContract to ebs_AmountOfContract_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_AmountOfContract_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_AmountOfContract_lbl1" xml:lang="en-US" id="ebs_AmountOfContract_lbl1">Amount of contract</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="AmountOfContract" xlink:to="ebs_AmountOfContract_lbl1" xlink:title="label: AmountOfContract to ebs_AmountOfContract_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_PeriodOfPerformance" xlink:label="PeriodOfPerformance" xlink:title="PeriodOfPerformance" />
    <link:label xlink:type="resource" xlink:label="ebs_PeriodOfPerformance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_PeriodOfPerformance_lbl" xml:lang="en-US" id="ebs_PeriodOfPerformance_lbl">Period of performance for delivery of BioThrax.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodOfPerformance" xlink:to="ebs_PeriodOfPerformance_lbl" xlink:title="label: PeriodOfPerformance to ebs_PeriodOfPerformance_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_PeriodOfPerformance_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_PeriodOfPerformance_lbl1" xml:lang="en-US" id="ebs_PeriodOfPerformance_lbl1">Period of performance</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="PeriodOfPerformance" xlink:to="ebs_PeriodOfPerformance_lbl1" xlink:title="label: PeriodOfPerformance to ebs_PeriodOfPerformance_lbl1" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" xlink:label="ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" xlink:title="ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" />
    <link:label xlink:type="resource" xlink:label="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl" xml:lang="en-US" id="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl">Minimum exercise price of option as percentage of the fair market value of the shares underlying such option on the date of grant.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" xlink:to="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl" xlink:title="label: ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum to ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl1" xml:lang="en-US" id="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl1">Exercise price of option as percentage of fair market value at grant date, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" xlink:to="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl1" xlink:title="label: ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum to ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl2" xml:lang="en-US" id="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl2">Exercise price of option as percentage of fair market value at grant date, minimum</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum" xlink:to="ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl2" xlink:title="label: ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum to ebs_ExercisePriceOfOptionAsPercentageOfFairMarketValueAtGrantDateMinimum_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod" xlink:label="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod" xlink:title="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl">Represents the period over which options can be exercised from the date of grant.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl1" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl1">Share Based Compensation Arrangement by share Based Payment Award, Options, Exercise Period</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl1" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl2" xml:lang="en-US" id="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl2">Exercise period of options</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod" xlink:to="ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl2" xlink:title="label: ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod to ebs_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisePeriod_lbl2" />
    <link:loc xlink:type="locator" xlink:href="ebs-20171231.xsd#ebs_NumberOfStockBasedEmployeeCompensationPlans" xlink:label="NumberOfStockBasedEmployeeCompensationPlans" xlink:title="NumberOfStockBasedEmployeeCompensationPlans" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:title="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl" xml:lang="en-US" id="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl">Represents the number of stock-based compensation plans the company maintains.</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfStockBasedEmployeeCompensationPlans" xlink:to="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl" xlink:title="label: NumberOfStockBasedEmployeeCompensationPlans to ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl1" xlink:role="http://www.xbrl.org/2003/role/label" xlink:title="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl1" xml:lang="en-US" id="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl1">Number of stock based employee compensation plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfStockBasedEmployeeCompensationPlans" xlink:to="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl1" xlink:title="label: NumberOfStockBasedEmployeeCompensationPlans to ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl1" />
    <link:label xlink:type="resource" xlink:label="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl2" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:title="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl2" xml:lang="en-US" id="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl2">Number of stock based employee compensation plans</link:label>
    <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="NumberOfStockBasedEmployeeCompensationPlans" xlink:to="ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl2" xlink:title="label: NumberOfStockBasedEmployeeCompensationPlans to ebs_NumberOfStockBasedEmployeeCompensationPlans_lbl2" />
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