Document Type Document Type Other miscellaneous, net Other Nonoperating Income (Expense) Amounts settled Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Settlements Net gain on sale of business and other assets Gain (Loss) Disposition Of Business And Other Assets Gain (Loss) Disposition Of Business And Other Assets COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Reporting Unit [Axis] Reporting Unit [Axis] Accounts payable, accrued expenses and other liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Segments [Axis] Segments [Axis] In-process research and development In Process Research and Development [Member] Level 3 Inputs Fair Value, Inputs, Level 3 [Member] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Euro Deferred Shares Euro Deferred Shares [Member] Euro Deferred Shares [Member] Senior notes maturing due 2022 Senior 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operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Lease, cost Lease, Cost Certain property, plant and equipment Tangible Asset Impairment Charges Discontinued operations (in dollars per share) Discontinued Operation, Income (Loss) from Discontinued Operation, Net of Tax, Per Diluted Share OTHER COMPREHENSIVE INCOME (LOSS): Other Comprehensive Income (Loss), Net of Tax [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Nonvested Stock Options Non Vested Stock Options [Member] Non Vested Stock Options [Member] OTHER LIABILITIES Other Liabilities, Noncurrent DEFERRED INCOME TAXES Deferred Income Tax Assets, Net Financing cash payments for finance leases Finance Lease, Principal Payments Paladin labs inc. Paladin Labs Inc. [Member] Paladin Labs Inc. [Member] Work-in-process Inventory, Work in Process, Net of Reserves Compensation related to share-based awards APIC, Share-based Payment Arrangement, Increase for Cost Recognition Lawsuit filing period Loss Contingency, Lawsuit Filing Period Loss Contingency, Lawsuit Filing Period Effect of foreign exchange rate Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents 5.375% Senior Notes due 2023 Five Point Three Seven Five Senior Notes Due On Two Thousand Twenty Three [Member] Five Point Three Seven Five Senior Notes Due On Two Thousand Twenty Three [Member] Segment reconciling items Segment Reconciling Items [Member] Inventories, net Total Inventory, Net TOTAL REVENUES, NET Total net revenues from external customers Revenue from Contract with Customer, Excluding Assessed Tax 6.00% Senior Notes due 2023 Six Point Zero Percent Senior Notes Due Two Thousand Twenty Three [Member] Six Point Zero Percent Senior Notes Due Two Thousand Twenty Three [Member] Measurement Frequency [Domain] Measurement Frequency [Domain] Cash paid into Qualified Settlement Funds for mesh legal settlements Settlement Funds, Additions Settlement Funds, Additions Concentration risk, percentage Concentration Risk, Percentage Business Acquisition [Axis] Business Acquisition [Axis] ADRENALIN® Adrenalin [Member] Adrenalin [Member] Vaginal mesh cases Vaginal Mesh Cases [Member] Vaginal Mesh Cases [Member] Total segment adjusted income from continuing operations before income tax Total segment adjusted income from continuing operations before income tax Adjusted Income (Loss) Before Income Tax Adjusted income (loss) before income tax. 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deferred shares, $0.01 par value; 4,000,000 shares authorized and issued at both March 31, 2021 and December 31, 2020 Euro Deferred Stock, Value, Issued Euro Deferred Stock, Value, Issued VASOSTRICT Related Matters VASOSTRICT Related Matters [Member] VASOSTRICT Related Matters [Member] Common stock, shares authorized (in shares) Common Stock, Shares Authorized Concentration Risk Type [Axis] Concentration Risk Type [Axis] Dilutive effect of ordinary share equivalents (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Proceeds from exercise of options Proceeds from Stock Options Exercised Restructuring Plan [Domain] Restructuring Plan [Domain] Restricted cash and cash equivalents Restricted Cash And Cash Equivalents [Member] Restricted Cash And Cash Equivalents [Member] Schedule of reportable segments information Schedule of Segment Reporting Information, by Segment [Table Text Block] Generic Pharmaceuticals Generic Pharmaceuticals 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[Member] Lehigh Valley Technologies, Inc. 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Redemption period two After Non-call Period Debt Instrument, Redemption, Period Two [Member] Depreciation and amortization Disposal Group, Including Discontinued Operation, Depreciation and Amortization Restructuring Type [Axis] Restructuring Type [Axis] Net unrealized gain (loss) on foreign currency Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Payments for restructuring Cash payments Payments for Restructuring GOODWILL Goodwill, beginning balance Goodwill, ending balance Goodwill Total other comprehensive income (loss) Other comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent 5.875% Senior Secured Notes due 2024 Five Point Eight Seven Five Percent Senior Secured Notes Due Twenty Twenty Four [Member] Five Point Eight Seven Five Percent Senior Secured Notes Due Twenty Twenty Four [Member] Document Transition Report Document Transition Report 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[Member] Auxilium Pharmaceuticals, Inc. 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Par Pharmaceutical, Inc. [Member] Par Pharmaceutical, Inc. 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