Income Tax Disclosure [Abstract] Effective annual tax rate Effective Income Tax Rate Reconciliation, Percent Discrete tax benefit Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Fair Value Disclosures [Abstract] Unobservable Input Reconciliation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Balance, beginning of period Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Milestone achievement - asset acquisition Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Purchases Measurement period adjustment Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Measurement Period Adjustment Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Measurement Period Adjustment Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Change In Fair Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Change In Fair Value Settlements Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Balance, end of period Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Raxibacumab Raxibacumab [Member] Raxibacumab [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Contingent consideration liability increase Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Organization, Consolidation and Presentation of Financial Statements [Abstract] Number of operating segments Number of Operating Segments Cover page. Document Type Document Type Document Quarterly Report Document Quarterly Report Document Period End Date Document Period End Date Document Transition Report Document Transition Report Entity File Number Entity File Number Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Entity Tax Identification Number Entity Tax Identification Number Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Entity Address, City or Town Entity Address, City or Town Entity Address, State or Province Entity Address, State or Province Entity Address, Postal Zip Code Entity Address, Postal Zip Code City Area Code City Area Code Local Phone Number Local Phone Number Title of 12(b) Security Title of 12(b) Security Trading Symbol Trading Symbol Security Exchange Name Security Exchange Name Entity Current Reporting Status Entity Current Reporting Status Entity Interactive Data Current Entity Interactive Data Current Entity Filer Category Entity Filer Category Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Shell Company Entity Shell Company Entity Common Stock, Shares Outstanding (in shares) Entity Common Stock, Shares Outstanding Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Business Combinations [Abstract] PaxVax PaxVax [Member] Business acquisition on October 4, 2018. Restatement [Axis] Restatement [Axis] Restatement [Domain] Restatement [Domain] Previously Reported Previously Reported [Member] Estimated fair value of tangible assets acquired and liabilities assumed: Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Less Noncontrolling Interest [Abstract] Cash Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Accounts receivable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Inventory Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory Prepaid expenses and other assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property, plant and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Deferred tax assets Business Combination Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets Accounts payable Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable Accrued expenses and other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Accrued Expenses and Other Liabilities Amount of accrued expenses and other liabilities, assumed at the acquisition date. Total fair value of tangible assets acquired and liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Acquired in-process research and development Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Acquired intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Goodwill Goodwill Total purchase price Business Combination, Consideration Transferred Measurement Period Adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments [Abstract] Accrued expenses and other liabilities, measurement period adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Expenses And Other Liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Accrued Expenses And Other Liabilities Total fair value of tangible assets acquired and liabilities assumed, measurement period adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period Acquired in-process research and development, measurement period adjustment Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finite-lived Intangible Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Finite-lived Intangible Assets Goodwill, measurement period adjustments Goodwill, Purchase Accounting Adjustments Total purchase price Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Consideration Transferred Accounting Policies [Abstract] Basis of presentation and consolidation Consolidation, Policy [Policy Text Block] Recently Adopted and New Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] IPR&D In Process Research and Development [Member] Vivotif Vivotif [Member] This is a live attenuated vaccine for oral administration to prevent typhoid fever. Vaxchora Vaxchora [Member] This is a live attenuated cholera vaccine and the first vaccine approved by the FDA for the prevention of cholera infection Number of employees Number Of Employees Number of persons employed by the entity Acquired intangible asset Weighted average amortization period Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Present value, discount rate Present Value, Discount Rate Interest rate used to find the present value of an amount to be paid or received in the future as an input to measure present value. For example, but not limited to, weighted average cost of capital (WACC), cost of capital, cost of equity and cost of debt. Contingent Consideration Fair Value Disclosures [Text Block] Inventory Disclosure [Abstract] Inventories Inventory Disclosure [Text Block] Statement of Financial Position [Abstract] LIABILITIES AND STOCKHOLDERS' EQUITY Liabilities and Equity [Abstract] Stockholders' equity: Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, shares authorized (in shares) Common Stock, Shares Authorized Common stock, shares issued (in shares) Common Stock, Shares, Issued Common stock, shares outstanding (in shares) Common Stock, Shares, Outstanding Treasury stock (in shares) Treasury Stock, Shares Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Adapt And PaxVax Adapt And PaxVax [Member] Adapt And PaxVax [Member] Number of business acquisitions Number Of Business Acquisitions Number Of Business Acquisitions Impact of Business Acquisitions [Abstract] Impact of Business Acquisitions [Abstract] 3e9a79ca-9c5f-2a65-3fac-a5d12d315cc7 Revenues Revenue from Contract with Customer, Excluding Assessed Tax Operating income (loss) Operating Income (Loss) ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash Restricted Cash and Cash Equivalents, Current Accounts receivable, net Accounts Receivable, Net, Current Inventories Inventory, Net Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Intangible assets, net Intangible Assets, Net (Excluding Goodwill) In-process research and development In Process Research And Development Carrying amount of purchased research and development assets acquired in a business combination that have an indefinite life until completion or abandonment of the associated research and development efforts. Other assets Other Assets, Noncurrent Total assets Assets Current liabilities: Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses Accrued Liabilities, Current Contingent consideration, current portion Business Combination, Contingent Consideration, Liability, Current Accrued compensation Employee-related Liabilities, Current Debt, current portion Long-term Debt, Current Maturities Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Contingent consideration Business Combination, Contingent Consideration, Liability, Noncurrent Non-current portion of debt Long-term Debt, Excluding Current Maturities Deferred tax liability Deferred Income Tax Liabilities, Net Deferred revenue Contract with Customer, Liability, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Notes 8 & 16) Commitments and Contingencies Preferred stock, $0.001 par value; 15.0 shares authorized, no shares issued or outstanding at both 2019 and 2018 Preferred Stock, Value, Issued Common stock, $0.001 par value; 200.0 shares authorized, 52.7 shares issued and 51.6 shares outstanding at 2019; 52.4 shares issued and 51.2 shares outstanding at 2018 Common Stock, Value, Issued Treasury stock, at cost, 1.2 common shares at both 2019 and 2018 Treasury Stock, Value Additional paid-in capital Additional Paid in Capital Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total stockholders' equity Stockholders' Equity Attributable to Parent Total liabilities and stockholders' equity Liabilities and Equity Stockholders' Equity Note [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Tranche One Share-based Compensation Award, Tranche One [Member] Tranche Two Share-based Compensation Award, Tranche Two [Member] Tranche Three Share-based Compensation Award, Tranche Three [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Stock Options Employee Stock Option [Member] Restricted Stock Units Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Stock issued or granted during period [Abstract] Stock Issued or Granted During Period, Share-based Compensation [Abstract] Stock options granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Restricted stock units granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Award vesting rights, percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Basis of Presentation and Principles of Consolidation Significant Accounting Policies [Text Block] Retirement Benefits [Abstract] Schedule of Net Benefit Costs Schedule of Net Benefit Costs [Table Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Indefinite-Lived Intangible Assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] ASC 842 Accounting Standards Update 2016-02 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Operating lease, right-of-use asset Operating Lease, Right-of-Use Asset Operating lease liabilities Operating Lease, Liability Leases [Abstract] Leases Lessee, Operating Leases [Text Block] Leases Lessee, Finance Leases [Text Block] Schedule of Indefinite-Lived Intangible Assets [Table] Schedule of Indefinite-Lived Intangible Assets [Table] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Line Items] Indefinite-lived Intangible Assets [Roll Forward] Indefinite-lived Intangible Assets [Roll Forward] Indefinite-lived intangible assets (excluding goodwill) Indefinite-lived Intangible Assets (Excluding Goodwill) Indefinite-lived intangible assets, purchase accounting adjustments Indefinite-lived Intangible Assets, Purchase Accounting Adjustments Indefinite-lived intangible assets (excluding goodwill) Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Amortization period of intangible asset Finite-Lived Intangible Asset, Useful Life Cost Finite-Lived Intangible Assets, Net [Abstract] Intangible assets, gross Finite-Lived Intangible Assets, Gross Finite-lived intangible assets acquired Finite-lived Intangible Assets Acquired Finite-lived intangible assets, accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization Intangible assets, net Finite-Lived Intangible Assets, Net Goodwill [Roll Forward] Goodwill [Roll Forward] Goodwill, cost Goodwill, Gross Goodwill, acquired during period Goodwill, Acquired During Period Goodwill Revenue from Contract with Customer [Abstract] Billed, net Billed Contracts Receivable Unbilled Unbilled Contracts Receivable Total, net Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Rollforward of Contract Liabilities Contract with Customer, Asset and Liability [Table Text Block] Schedule of Accounts Receivable, Net Schedule of Accounts Receivable, Net [Table Text Block] Schedule of Accounts Receivable, Net [Table Text Block] Raw materials and supplies Inventory, Raw Materials and Supplies, Net of Reserves Work-in-process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total inventories Intangible Assets Intangible Assets Disclosure [Text Block] Supplemental Cash Flow Elements [Abstract] Supplemental Information Cash Flow, Supplemental Disclosures [Text Block] Operating Leases Operating Lease Liabilities, Payments Due [Abstract] Operating lease right-of-use assets Operating lease liabilities, current portion Operating Lease, Other Liability, Current Operating Lease, Other Liability, Current Operating lease liabilities Operating Lease, Liability, Current Total operating lease liabilities Operating leases: Lease, Cost [Abstract] Weighted Average Remaining Lease Term (years) Operating Lease, Weighted Average Remaining Lease Term Operating leases: Direct Financing Lease, Lease Income [Abstract] Weighted Average Discount Rate Operating Lease, Weighted Average Discount Rate, Percent Debt Disclosure [Abstract] Schedule of Debt Schedule of Debt [Table Text Block] Revenue, remaining performance obligation, amount Revenue, Remaining Performance Obligation, Amount Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Deferred costs, current Deferred Costs, Current Property Plant and Equipment Income Statement Disclosures [Abstract] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land and improvements Land and Land Improvements [Member] Buildings, building improvements and leasehold improvements Building and Building Improvements [Member] Furniture and equipment Furniture and Fixtures [Member] Software Computer Software, Intangible Asset [Member] Construction-in-progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Abstract] Property, Plant and Equipment, Net [Abstract] Property, plant and equipment, gross Property, Plant and Equipment, Gross Accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Total property, plant and equipment, net Adapt Pharma Adapt Pharma [Member] Business acquisition on October 15, 2018. Deferred tax liability, net of current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent Goodwill Prepaid expenses and other assets, measurements period adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expenses and Other Assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expenses and Other Assets Deferred tax liability, net, measurement period adjustments Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities Noncurrent Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Deferred Tax Liabilities Noncurrent Defined benefit plan Pension and Other Postretirement Benefits Disclosure [Text Block] Earnings Per Share [Abstract] Numerator: Net Income (Loss) Available to Common Stockholders, Basic [Abstract] Net (loss) earnings Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted-average number of shares-basic (in shares) Weighted Average Number of Shares Outstanding, Basic Dilutive securities-equity awards (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted-average number of shares-diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Net income per share - basic (in dollars per share) Earnings Per Share, Basic Net income per share - diluted (in dollars per share) Earnings Per Share, Diluted Antidilutive securities excluded from computation of earnings per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Debt Debt Disclosure [Text Block] Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] $0.001 Par Value Common Stock Common Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Treasury Stock Treasury Stock [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Retained Earnings Retained Earnings [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Balance Adoption of new revenue accounting standard (ASC 606), net of tax Cumulative Effect of New Accounting Principle in Period of Adoption Balance, as adjusted Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest, Adjusted Balance Employee equity plans activity (in shares) Stock Issued During Period, Shares, Share-based Compensation, Net of Forfeitures Employee equity plans activity Stock Issued During Period, Value, Share-based Compensation, Net of Forfeitures Net loss Net Income (Loss) Attributable to Parent Other comprehensive income Other Comprehensive Income (Loss), Net of Tax Balance (in shares) Balance Income taxes Income Tax Disclosure [Text Block] Statement of Comprehensive Income [Abstract] Net (loss) income Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translations, net of tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Derivatives Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Derivatives Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Total other comprehensive (loss) income, net of tax Comprehensive (loss) income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Share-based compensation Stockholders' Equity Note Disclosure [Text Block] Inventories Schedule of Inventory, Current [Table Text Block] (Loss) earnings per share Earnings Per Share [Text Block] Statement of Cash Flows [Abstract] Cash flows provided by (used in) operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net (loss) income to net cash provided by operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Share-based compensation expense Share-based Compensation Depreciation and amortization Depreciation, Depletion and Amortization Amortization of deferred financing costs Amortization of Debt Issuance Costs Deferred income taxes Deferred Income Tax Expense (Benefit) Change in fair value of contingent consideration, net Change In Fair Value Of Contingent Consideration Fair value measurement of contingent value rights and contingent purchase considerations granted under purchase agreements. Other Other Noncash Income (Expense) Changes in operating assets and liabilities: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Inventories Increase (Decrease) in Inventories Prepaid expenses and other assets Increase (Decrease) in Prepaid Expense and Other Assets Accounts payable Increase (Decrease) in Accounts Payable Accrued expenses Increase (Decrease) in Accrued Liabilities Accrued compensation Increase (Decrease) in Employee Related Liabilities Deferred revenue Increase (Decrease) in Contract with Customer, Liability Net cash provided by operating activities: Net Cash Provided by (Used in) Operating Activities Cash flows used in investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property, plant and equipment and other Payments to Acquire Property, Plant, and Equipment Milestone payment from prior asset acquisition Payments for Previous Acquisition Proceeds from sale of assets Proceeds from Sale of Productive Assets Net cash used in investing activities: Net Cash Provided by (Used in) Investing Activities Cash flows provided by (used in) financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Proceeds from revolving credit facility Proceeds from Lines of Credit Principal payments on revolving credit facility Repayments of Lines of Credit Principal payments on term loan facility Repayments of Medium-term Notes Issuances of stock under share-based benefit plans Proceeds from Stock Options Exercised Taxes paid on behalf of employees for equity activity Payments Related to Tax Withholding for Share-based Compensation Contingent consideration payments Payment for Contingent Consideration Liability, Financing Activities Purchase of treasury stock Payments for Repurchase of Common Stock Net cash provided by financing activities: Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash, cash equivalents and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Net increase in cash, cash equivalents and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents and restricted cash at beginning of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents and restricted cash at end of period Basic and Diluted Net Income per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Income Statement [Abstract] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Product sales, net Product [Member] Contract manufacturing Contract Manufacturing [Member] Revenue earned during the period arising from manufacturing sale under the terms of a contract. Contracts and grants Contracts and Grants [Member] Amount of revenue earned from products sold or services provided under the terms of a contract, including, but not limited to, government contracts and grants. Revenues: Revenues [Abstract] Total revenues Operating expenses: Operating Expenses [Abstract] Cost of product sales and contract manufacturing Cost of Goods and Services Sold Research and development Research and Development Expense Selling, general and administrative Selling, General and Administrative Expense Amortization of acquisition-related intangible assets Amortization of Intangible Assets Total operating expenses Operating Expenses (Loss) income from operations Other income (expense): Nonoperating Income (Expense) [Abstract] Interest expense Interest Expense Other income, net Other Nonoperating Income (Expense) Total other expense, net Nonoperating Income (Expense) (Loss) income before income taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax (benefit) expense Income Tax Expense (Benefit) Net (loss) income Net (loss) income per common share Basic (in dollars per share) Diluted (in dollars per share) Shares used in computing (loss) income per share Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract] Basic (in shares) Diluted (in shares) Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Litigation Case [Axis] Litigation Case [Axis] Litigation Case [Domain] Litigation Case [Domain] Shareholder Class Action Lawsuit Shareholder Class Action Lawsuit [Member] Shareholder Class Action Lawsuit [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Litigation settlement, amount awarded to other party Litigation Settlement, Amount Awarded to Other Party Reconciliation of Liabilities Measured at Fair Value Using Significant Unobservable Inputs (Level 3) Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Senior secured credit agreement - Revolver loan due 2023 Revolving Credit Facility [Member] Senior secured credit agreement - Term loan due 2023 Term Loan Facility [Member] Term loan dated December 2013. Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] 2017 Credit Agreement Credit Agreement [Member] Credit agreement dated September 2017. Amended Credit Agreement Amended Credit Agreement [Member] Amended credit agreement dated October 15, 2018. 2.875% Convertible Senior Notes due 2021 Convertible Senior Notes Due 2021 [Member] Convertible Senior Notes Due 2021 [Member] Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] Eurocurrency Eurodollar [Member] Federal Funds Rate Federal Funds Effective Swap Rate [Member] Base Rate Base Rate [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Number of lending institutions Number Of Lending Institutions Number of lending institutions in which the entity has a credit facility. Current borrowing capacity Line of Credit Facility, Current Borrowing Capacity Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Commitment fee percentage Line of Credit Facility, Commitment Fee Percentage Percentage of original principal amount required to repay in the first two years Percentage of Original Principal Amount Required to Repay in First Two Years The rate of interest that was being paid on the original debt issue that is to repay in the first two years. Percentage of original principal amount required to repay during the third year Percentage of Original Principal Amount Required to Repay During the Third Year The rate of interest that was being paid on the original debt issue that is to repay in the third year. Percentage of original principal amount required to repay remaining year Percentage of Original Principal Amount Required to Repay Remaining Years The rate of interest that was being paid on the original debt issue that is to repay in remaining years. Cash proceeds excess amount from dispositions of property or casualty events subject to certain reinvestment right Cash Proceeds Excess Amount from Dispositions of Property or Casualty Events Subject to Certain Reinvestment Right The cash proceeds in excess during the term of the Senior Secured Credit Facility from certain dispositions of property or from casualty events involving their property, subject to certain reinvestment rights. Debt instrument, covenant, net leverage ratio rolling period Debt Instrument, Covenant, Net Leverage Ratio Rolling Period Debt Instrument, Covenant, Net Leverage Ratio Rolling Period Debt instrument, covenant, debt service coverage ratio Debt Instrument, Covenant, Debt Service Coverage Ratio Debt Instrument, Covenant, Debt Service Coverage Ratio Debt instrument, covenant, net leverage ratio through June 30, 2019 Debt Instrument, Covenant, Net Leverage Ratio, One Debt Instrument, Covenant, Net Leverage Ratio, One Debt instrument, covenant, net leverage ratio to September 30, 2019 Debt Instrument, Covenant, Net Leverage Ratio, Two Debt Instrument, Covenant, Net Leverage Ratio, Two Debt instrument, covenant, net leverage ratio from October 1, 2019 to September 29, 2020 Debt Instrument, Covenant, Net Leverage Ratio, Three Debt Instrument, Covenant, Net Leverage Ratio, Three Debt instrument, covenant, net leverage ratio thereafter Debt Instrument, Covenant, Net Leverage Ratio, Four Debt Instrument, Covenant, Net Leverage Ratio, Four Debt instrument, covenant, net leverage ratio, adjusted Debt Instrument, Covenant, Net Leverage Ratio, Adjusted Debt Instrument, Covenant, Net Leverage Ratio, Adjusted Debt instrument, covenant, net leverage ratio adjustment period Debt Instrument, Covenant, Net Leverage Ratio Adjustment Period Debt Instrument, Covenant, Net Leverage Ratio Adjustment Period Debt instrument, restricted payments limit, amount Debt Instrument, Restricted Payments Limit, Amount Debt Instrument, Restricted Payments Limit, Amount Stated percentage Debt Instrument, Interest Rate, Stated Percentage Operating lease cost: Finance Lease, Cost [Abstract] Amortization of right-of-use assets Finance Lease, Right-of-Use Asset, Amortization Interest on lease liabilities Finance Lease, Interest Expense Total operating lease cost Lease, Cost Lease, Cost Lease, Cost [Table Text Block] Schedule of Leases Supplemental Balance Sheets Schedule Of Leases Supplemental Balance Sheets [Table Text Block] Schedule Of Leases Supplemental Balance Sheets [Table Text Block] Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating lease, term of contract Lessee, Operating Lease, Term of Contract Operating lease, renewal term Lessee, Operating Lease, Renewal Term Operating lease, termination period Lessee, Operating Lease, Termination Period Lessee, Operating Lease, Termination Period Cash paid for acquisition Payments to Acquire Businesses, Gross Equity Stock Issued During Period, Value, Acquisitions Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Products and Services [Axis] Contract manufacturing Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] U.S. Government UNITED STATES Non-U.S. Government Non-US [Member] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Common stock issued for acquisition (in shares) Business Acquisition, Equity Interest Issued or Issuable, Number of Shares Share price (in dollars per share) Business Acquisition, Share Price Consideration transferred, equity interests issued and issuable Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Lock-up period for adjustment of fair value Lock-up Period for Adjustment of Fair Value The lock-up period considered for adjustment of fair value, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Fair value of contingent purchase consideration Business Combination, Contingent Consideration, Liability Restricted cash Restricted Cash and Cash Equivalents Total cash, cash equivalents and restricted cash Total purchase price Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Impact of Business Acquisitions Impact of Business Acquisitions [Table Text Block] Tabular disclosure of revenue and earnings of business acquisitions included in consolidated financial statements. Revenue recognition Revenue from Contract with Customer [Text Block] Other Other Long Term Debt Facility [Member] Other Long Term Debt Facility [Member] Long-term debt Long-term Debt Current portion of long-term debt, net of debt issuance costs Unamortized debt issuance costs Debt Issuance Costs, Noncurrent, Net Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure Derivative Instruments and Hedging Activities Disclosure [Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Interest Rate Swaps Interest Rate Swap [Member] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Assets Other Assets [Member] Other Liabilities Other Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Asset Derivatives Derivative Asset, Fair Value, Gross Asset Liability Derivatives Derivative Liability, Fair Value, Gross Liability Acquisitions Business Combination Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Table] Derivative Instruments and Hedging Activities Disclosures [Line Items] Derivative Instruments and Hedging Activities Disclosures [Line Items] Number of Instruments Number of Interest Rate Derivatives Held Notional Derivative, Notional Amount Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Interest expense Interest Expense [Member] Amount of Gain/(Loss) Recognized in OCI on Derivative Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification, Tax Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Amount of Gain or (Loss) Reclassified from Accumulated OCI into Income Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Commitments and Contingencies Legal Matters and Contingencies [Text Block] Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Amortization Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Net service cost Defined Benefit Plan, Service Cost Expected return on plan assets, net of expenses Defined Benefit Plan, Expected Return (Loss) on Plan Assets Total pension expense Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Change in Contract With Customer, Liability [Roll Forward] Change in Contract With Customer, Liability [Roll Forward] Change in Contract With Customer, Liability [Roll Forward] Contract with customer, liability, beginning balance Contract with Customer, Liability Deferral of revenue Contract with Customer, Liability, Additions Amount of obligation to transfer good or service to customer for which consideration has been received or is receivable recorded during the current reporting period. Revenue recognized Contract with Customer, Liability, Revenue Recognized Contract with customer, liability, ending balance Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Derivative Instruments, Gain (Loss) Derivative Instruments, Gain (Loss) [Table Text Block]