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Current Other Deferred Tax Assets, Other PaxVax PaxVax [Member] Business acquisition on October 4, 2018. 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Interest rate, stated percentage Debt Instrument, Interest Rate, Stated Percentage Vivotif Vivotif [Member] This is a live attenuated vaccine for oral administration to prevent typhoid fever. 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Share-based Payment Arrangement, Employee Share-based Payment Arrangement, Employee [Member] Issuance of common stock to acquire Adapt Pharma Stock Issued Weighted-average number of shares - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Debt instrument, basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Grantee Status [Axis] Grantee Status [Axis] Forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price NARCAN Nasal Spray NARCAN Nasal Spray [Member] NARCAN Nasal Spray [Member] Treasury stock (in shares) Treasury Stock, Shares Cash Flow Hedging Cash Flow Hedging [Member] State Deferred State and Local Income Tax Expense (Benefit) Expected rate of return Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets US Income (Loss) from Continuing Operations before Income Taxes, Domestic Plan Name [Domain] Plan Name [Domain] Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Revenue recognition Revenue from Contract with Customer [Text Block] Cash paid during the year for interest Interest Paid, Excluding Capitalized Interest, Operating Activities Foreign NOLs Deferred Tax Assets, Operating Loss Carryforwards, Foreign Expected volatility, maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Actuarial loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Additional paid-in capital Additional Paid in Capital Long-term debt, fair value Long-term Debt, Fair Value 2021 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash and cash equivalents and restricted cash Cash and Cash Equivalents, Policy [Policy Text Block] 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 Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Inventories Inventory, Policy [Policy Text Block] Income taxes Total income taxes Income Tax Expense (Benefit) Summary of Restricted Stock Unit Award Activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] Cash and cash equivalents and restricted cash at beginning of year Cash and cash equivalents and restricted cash at end of year Total Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Matching contributions made by employer Defined Contribution Plan, Employer Discretionary Contribution Amount Property, plant and equipment Property, Plant and Equipment, Policy [Policy Text Block] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Accrued expenses Accrued Liabilities, Current Net income per share-diluted (in dollars per share) Net income (loss) per share-diluted (in dollar per share) Earnings Per Share, Diluted Local Phone Number Local Phone Number Cash Payments to Acquire Businesses, Gross Reconciliation of Income Before the Provision for Income Taxes Schedule of Unrecognized Tax Benefits Roll Forward [Table Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Other Other [Member] Refers to product sales from other products. Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Amount of common stock issued for acquisition including adjustments Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Total intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Schedule of Debt Schedule of Debt [Table Text Block] Summary of Reconciliation of Contingent Consideration Liabilities Measured at Fair Value Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Derivative Instruments Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Summary of Future Debt Payments of Long-Term Indebtedness Schedule of Long-term Debt Instruments [Table Text Block] Entity Address, Address Line One Entity Address, Address Line One Tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Amount Beginning balance Ending balance Contract with Customer, Liability Entity Emerging Growth Company Entity Emerging Growth Company Schedule II - Valuation and Qualifying Accounts SEC Schedule, 12-09, Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Deferred income taxes Total deferred Deferred Income Tax Expense (Benefit) Liability Derivatives Derivative Liability, Fair Value, Gross Liability Amended Credit Agreement Amended Credit Agreement [Member] Amended credit agreement dated October 15, 2018. Award Type [Axis] Award Type [Axis] Weighted-Average Grant Price Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Maximum Maximum [Member] Amortization of deferred financing costs Amortization of Debt Issuance Costs Total operating expenses Operating Costs and Expenses Federal Funds Rate Fed Funds Effective Rate Overnight Index Swap Rate [Member] Pension plans Pension and Other Postretirement Plans, Pensions, Policy [Policy Text Block] Preferred stock, shares authorized (in shares) Preferred Stock, Shares Authorized Stock compensation Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost Retained Earnings Retained Earnings [Member] Preferred stock, shares outstanding (in shares) Preferred Stock, Shares Outstanding Contingent consideration payments Payment for Contingent Consideration Liability, Financing Activities Components of Net Periodic Pension Cost Schedule of Net Benefit Costs [Table Text Block] Effective income tax rate reconciliation, percent Effective Income Tax Rate Reconciliation, Percent Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Summary of significant accounting policies Significant Accounting Policies [Text Block] Net cash used in investing activities: Net Cash Provided by (Used in) Investing Activities Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Summary of Funded Status of the Swiss Plan Changes in Projected Benefit Obligations, Fair Value of Plan Assets, and Funded Status of Plan [Table Text Block] Weighted average remaining contractual term of options outstanding Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Accounts receivable, allowance for credit loss Accounts Receivable, Allowance for Credit Loss Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Equity Award [Domain] Award Type [Domain] Trading Symbol Trading Symbol Denominator: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Exercisable, end of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Adapt Pharma Adapt Pharma [Member] Business acquisition on October 15, 2018. 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, current portion Notes Payable, Current Property, plant and equipment Property, Plant and Equipment Disclosure [Text Block] Proceeds from share-based compensation activity Proceeds, Issuance of Shares, Share-based Payment Arrangement, Including Option Exercised Treasury stock, at cost, 1.2 common shares Treasury Stock, Value Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Earnings per share Earnings Per Share [Text Block] Transaction costs Effective Income Tax Rate Reconciliation, Transaction Costs 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 transaction costs. Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Current liabilities: Liabilities, Current [Abstract] International Income (Loss) from Continuing Operations before Income Taxes, Foreign Entity Shell Company Entity Shell Company Billed, net Billed Contracts Receivable Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Accounts receivable [Abstract] Accounts Receivable, after Allowance for Credit Loss [Abstract] Proceeds from term loan facility Proceeds from Issuance of Medium-term Notes 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. Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value Measurement Inputs and Valuation Techniques [Line Items] Fair Value, Recurring Fair Value, Recurring [Member] Inventory, LIFO reserve, period charge Inventory, LIFO Reserve, Period Charge Income Tax Contingency [Table] Income Tax Contingency [Table] Recently issued accounting standards New Accounting Pronouncements, Policy [Policy Text Block] Entity Public Float Entity Public Float Discount rate Measurement Input, Discount Rate [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract]