Unrealized gain (loss) on investments Unrealized Gain (Loss) on Investments Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Statistical Measurement [Domain] Statistical Measurement [Domain] Realized investment gains (losses) Realized Investment Gains (Losses) Net cash provided by discontinued operations Cash Provided by (Used in) Discontinued Operation Restricted cash included in prepaid expenses and other assets at end of period - continuing operations Restricted Cash, Current Award Timing Predetermined Award Timing Predetermined [Flag] Applicable Interest Rate Long-Term Debt, Weighted Average Interest Rate, at Point in Time Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Entity File Number Entity File Number Additional Paid-In Capital Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] Basic (loss) income per share (Note 7): Earnings Per Share, Basic [Abstract] Recently Issued Accounting Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Edex Auxilium [Member] Auxilium Accounts payable Increase (Decrease) in Accounts Payable Schedule of Carrying Amount and Fair Value of Long-Term Debt Fair Value, by Balance Sheet Grouping [Table Text Block] Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Inventory, Net Inventory, Net [Member] Inventory, Net License Revenue License [Member] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Measurement Basis [Axis] Measurement Basis [Axis] Net loss (in dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table] Liabilities: Liabilities, Fair Value Disclosure [Abstract] Net cash used in financing activities - continuing operations Cash Provided by (Used in) Financing Activity, Continuing Operation Revenue from Contracts with Customers Revenue from Contract with Customer [Text Block] Cash and cash equivalents at end of period - discontinued operations Disposal Group, Including Discontinued Operation, Cash Other Comprehensive income (loss) Other Comprehensive Income (Loss), Net of Tax Schedule of Segment Reporting Information by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Income from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Restricted cash included in prepaid expenses and other assets at end of period (Note 14) Restricted Cash, Current Including Discontinued Operations Restricted Cash, Current Including Discontinued Operations Remaining performance obligation amount Revenue, Remaining Performance Obligation, Amount Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Consolidation Consolidation, Policy [Policy Text Block] Share-based compensation Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Contingent consideration liabilities Contingent Liabilities, Fair Value Disclosure Contingent Liabilities, Fair Value Disclosure Total Shareholders' Equity Beginning balance Ending balance Equity, Attributable to Parent Other comprehensive (loss) income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Compensation expense Share-Based Payment Arrangement, Expense Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Ordinary shares, shares authorized (in shares) Common Stock, Shares Authorized Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Current Assets: Assets, Current [Abstract] Total Liabilities and Shareholders' Equity Liabilities and Equity Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Liabilities and Shareholders' Equity Liabilities and Equity [Abstract] Cover [Abstract] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Divestitures Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] Product sales (as a percent) Revenue from Contract with Customer, Including Assessed Tax, Percentage Revenue from Contract with Customer, Including Assessed Tax, Percentage Guarantees [Abstract] Guarantees [Abstract] Accounting Policies [Abstract] Net Book Value Finite-Lived Intangible Assets, Net Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument Debt Instrument [Line Items] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Transition services agreement, revenue Transition Services Agreement, Revenue Transition Services Agreement, Revenue Treasury Shares Treasury Stock, Common [Member] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total debt, carrying value Debt, Long-Term and Short-Term, Combined Amount Currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax, Portion Attributable to Parent Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Business Combination Business Combination [Text Block] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Loss from continuing operations before income taxes Losses from continuing operations Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Provisions certain agreements, income Transition Services Agreement, Receivable Transition Services Agreement, Receivable Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Payments or credits Contract with Customer, Liability, Revenue Recognized, Including Opening Balance Contract with Customer, Liability, Revenue Recognized, Including Opening Balance Gross profit Disposal Group, Including Discontinued Operation, Gross Profit (Loss) Carrying Value Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Other Products Other Products [Member] Other Products [Member] Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Current maturities of long-term debt: Short-Term Debt [Abstract] Comprehensive loss Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Loss from continuing operations Loss from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Other income tax liabilities Accrued Income Taxes, Noncurrent Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block] Deferred income taxes Deferred Income Tax Liabilities, Net Capitalized software Software and Software Development Costs [Member] Document Fiscal Period Focus Document Fiscal Period Focus Income from discontinued operations, net of income taxes Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Award Timing Method Award Timing Method [Text Block] Litigation Case [Domain] Litigation Case [Domain] Loss from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Award Type Award Type [Axis] Legal Entity [Axis] Legal Entity [Axis] Total Assets Assets Accrued rebates and returns Accrued Rebates And Returns, Current Accrued Rebates And Returns, Current Fiscal 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Discontinued operation, amount of continuing cash flows after disposal Discontinued Operation, Amount of Continuing Cash Flows after Disposal Fair value adjustment Fair Value, Measurement With Unobservable Inputs Reconciliations, Recurring Basis, Liability, Fair Value Adjustments Fair Value, Measurement With Unobservable Inputs Reconciliations, Recurring Basis, Liability, Fair Value Adjustments Geographical [Domain] Geographical [Domain] Depreciation of Fixed Assets Schedule of Depreciation of Fixed Assets [Table Text Block] Schedule of Depreciation of Fixed Assets [Table Text Block] Vesting of restricted share units, net of tax withholdings (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Cash Flows From Operating Activities - Continuing Operations: Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Inventory adjustments Inventory Adjustments Concentration Risk Type [Axis] Concentration Risk Type [Axis] Inventories Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Share Units Restricted Stock Units (RSUs) [Member] Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Damages awarded Loss Contingency, Damages Awarded, Value Assets: Assets, Fair Value Disclosure [Abstract] Fiscal 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Rebates and Chargebacks Rebates and Chargebacks [Member] Rebates and Chargebacks [Member] Entity Emerging Growth Company Entity Emerging Growth Company Contingent Consideration [Roll Forward] Contingent Consideration [Roll Forward] Contingent Consideration Measurement period adjustments, decrease to accrued and other current liabilities Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liability, Current Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Other Liability, Current Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Costs to fulfill a contract, net Capitalized Contract Cost, Net Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Net sales Net sales Revenue from Contract with Customer, Including Assessed Tax Level 2 Fair Value, Inputs, Level 2 [Member] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Principal Debt Instrument, Face Amount, Current Maturity Debt Instrument, Face Amount, Current Maturity Acthar Gel Acthar Gel [Member] Acthar Gel Ordinary shares, shares outstanding (in shares) Common Stock, Shares, Outstanding Discontinued Operations Discontinued Operations, Policy [Policy Text Block] Equity securities Other Assets, Fair Value Disclosure PEO PEO [Member] Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Changes in assets and liabilities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Mallinckrodt Baker Mallinckrodt Baker [Member] Mallinckrodt Baker [Member] Schedule of Future Amortization Expense, Intangible Assets Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Variable Consideration [Axis] Variable Consideration [Axis] Variable Consideration [Axis] Accumulated Deficit Retained Earnings [Member] Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash at end of period - continuing operations Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax expense (benefit) Income Tax Expense (Benefit) Income from discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Contractual obligation contingent consideration Contractual Obligation, Contingent Consideration Contractual Obligation, Contingent Consideration Preferred shares, shares issued (in shares) Preferred Stock, Shares Issued Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Customer Concentration Risk Customer Concentration Risk [Member] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Land Property, Plant and Equipment, Gross Loss from continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities, fair value Liabilities, Fair Value Disclosure Business Combination [Table] Business Combination [Table] Discontinued Operations and Disposal Groups [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Indemnification Agreement Indemnification Agreement [Member] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Net cash used in investing activities - discontinued operations Cash Provided by (Used in) Investing Activity, Discontinued Operation Share cancellation Common Stock, Amount, Cancelled Common Stock, Amount, Cancelled Rollforward of Variable Consideration Reserves Contract with Customer, Contract Asset, Contract Liability, and Receivable [Table Text Block] Cash Flows From Investing Activities - Continuing Operations: Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Income Taxes [Table] Income Taxes [Table] Income Taxes [Table] Disposal Group, Disposed of by Sale, Not Discontinued Operations Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Preferred shares, par value (in usd per share) Preferred Stock, Par or Stated Value Per Share Goodwill Beginning balance Ending balance Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Depreciation Depreciation Remainder of Fiscal 2026 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment Property, Plant and Equipment [Line Items] Net cash provided by financing activities - discontinued operations Cash Provided by (Used in) Financing Activity, Discontinued Operation Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] Number of reportable segments Number of Reportable Segments Acthar Gel-Related Settlement Acthar Gel-Related Settlement, Non-current Acthar Gel-Related Settlement, Non-current Entity Address, Country Entity Address, Country Other Performance Measure, Amount Other Performance Measure, Amount Inventory [Line Items] Inventory [Line Items] Total current liabilities Liabilities, Current Accrued and other current liabilities Other Current Liabilities [Member] Litigation Status [Axis] Litigation Status [Axis] Individual: Individual [Axis] Vesting [Axis] Vesting [Axis] Restricted cash Restricted Cash Entity [Domain] Entity [Domain] Mallinckrodt Pharmaceuticals Ireland Limited v.s. Airgas Therapeutics LLC Mallinckrodt Pharmaceuticals Ireland Limited v.s. Airgas Therapeutics LLC [Member] Mallinckrodt Pharmaceuticals Ireland Limited v.s. Airgas Therapeutics LLC Remaining performance obligation, timing of satisfaction Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Transition services agreement, term Transition Services Agreement, Term Transition Services Agreement, Term Interest income Disposal Group, Including Discontinued Operation, Interest Income Document Fiscal Year Focus Document Fiscal Year Focus Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Carrying Value Reported Value Measurement [Member] Principal Debt Instrument, Face Amount, Noncurrent Maturity Debt Instrument, Face Amount, Noncurrent Maturity Par Health Par Health [Member] Par Health Buildings Building [Member] Segment Data Segment Reporting Disclosure [Text Block] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Current maturities of long-term debt Long-Term Debt and Lease Obligation, Current Schedule of Intangible Asset by Major Class [Line Items] Schedule of Intangible Asset by Major Class [Line Items] [Line Items] for Schedule of Intangible Asset by Major Class Schedule of Intangible Asset by Major Class [Table] Schedule of Acquired Finite-Lived Intangible Asset by Major Class [Table] Therakos Divestiture Therakos Divestiture [Member] Therakos Divestiture Long-Lived Tangible Asset [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Cost of sales Disposal Group, Including Discontinued Operation, Costs of Goods Sold Amortization expense Amortization of Intangible Assets Selling, general and administrative expenses Selling, General and Administrative Expense Deferred income taxes Deferred Income Tax Assets, Net Depreciation and amortization Depreciation, Depletion and Amortization Other assets Other Assets, Noncurrent CVS Health Corporation CVS Health Corporation [Member] CVS Health Corporation Accrued interest Interest Payable, Current Entity Central Index Key Entity Central Index Key Restricted cash included in other long-term assets at end of period - discontinued operations Restricted Cash, Noncurrent Discontinued Operations Restricted Cash, Noncurrent Discontinued Operations PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Beginning balance Ending balance Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability Value Inventory, Noncurrent Inventory, Noncurrent [Member] Inventory, Noncurrent Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Share-Based Payment Arrangement, Tranche One Share-Based Payment Arrangement, Tranche One [Member] Provisions Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price Work in process Inventory, Work in Process, Net of Reserves Other expense, net Disposal Group, Including Discontinued Operation, Other Income (Expense), Net Disposal Group, Including Discontinued Operation, Other Income (Expense), Net Exercise Price Award Exercise Price 8.50% Senior Secured Notes due April 2031 8.50% Senior Secured Notes Due April 2031 [Member] 8.50% Senior Secured Notes Due April 2031 Entity Filer Category Entity Filer Category Class of Stock [Domain] Class of Stock [Domain] Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Inventory, Current [Table] Inventory, Current [Table] Effective income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Other Payment for (Proceeds from) Other Investing Activity Share-based Compensation Share-Based Payment Arrangement [Text Block] Discontinued Operations, Disposed of by Means Other than Sale, Spinoff Discontinued Operations, Disposed of by Means Other than Sale, Spinoff [Member] Assets Assets [Abstract] Inventory noncurrent Inventory, Noncurrent Provisions certain agreements, owed Transition Services Agreement, Payable Transition Services Agreement, Payable Underlying Security Market Price Change Underlying Security Market Price Change, Percent Fiscal 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Entity Address, Address Line Three Entity Address, Address Line Three Vesting [Domain] Vesting [Domain] Debt Instrument [Axis] Debt Instrument [Axis] Financial Instruments and Fair Value Measurements Fair Value Disclosures [Text Block] Business Combination [Line Items] Business Combination [Line Items] Gross Carrying Amount Finite-Lived Intangible Assets, Gross Shareholders' Equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Entity Address, Address Line One Entity Address, Address Line One Entity Address, Address Line Two Entity Address, Address Line Two Research and development expenses Research and Development Expense Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Amitiza Amitiza [Member] Amitiza [Member] Interest rate percentage Debt Instrument, Interest Rate, Stated Percentage Operating income Disposal Group, Including Discontinued Operation, Operating Income (Loss) Movement In Contract With Customer Liability [Roll Forward] Movement In Contract With Customer Liability [Roll Forward] Movement In Contract With Customer Liability Business Combination, Asset Acquisition, Transaction between Entities under Common Control, and Joint Venture Formation [Abstract] Share-based compensation arrangements by share-based payment award, equity instruments other than options, granted in period, fair value Share-based Compensation Arrangements by Share-Based Payment Award, Equity Instruments Other Than Options, Granted in Period, Fair Value Share-based Compensation Arrangements by Share-Based Payment Award, Equity Instruments Other Than Options, Granted in Period, Fair Value Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Bankruptcy Proceedings, Reporting Current Entity Bankruptcy Proceedings, Reporting Current Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Deferred compensation liabilities Deferred Compensation Liability, Current and Noncurrent Other Sales Deductions Other Sales Deductions [Member] Other Sales Deductions [Member] Dilutive impact of restricted share units (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements Conversion of RSUs (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Income taxes Increase (Decrease) in Income Taxes Payable, Net of Income Taxes Receivable Document Quarterly Report Document Quarterly Report Total assets, fair value Assets, Fair Value Disclosure Deferred income taxes Deferred Income Taxes and Tax Credits Fair Value Long-Term Debt, Fair Value Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Number of operating segments Number of Operating Segments Guarantees Guarantees [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Schedule of Debt Schedule of Debt [Table Text Block] Machinery and equipment Machinery and Equipment [Member] Remainder of fiscal year Contractual Obligation, to be Paid, Remainder of Fiscal Year Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Nuclear Imaging Nuclear Imaging [Member] Nuclear Imaging [Member] Net cash provided by operating activities - continuing operations Cash Provided by (Used in) Operating Activity, Continuing Operation Schedule of Applicable Interest Rate on Variable-rate Debt [Line Items] Schedule of Applicable Interest Rate on Variable-rate Debt [Line Items] [Line Items] for Schedule of Applicable Interest Rate on Variable-rate Debt [Table] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Discontinued Operations: Discontinued Operation, Alternative Cash Flow Information [Abstract] Non-PEO NEO Non-PEO NEO [Member] Accounts receivable to distributors Accounts Receivable [Member] Net cash used in investing activities - continuing operations Cash Provided by (Used in) Investing Activity, Continuing Operation Other Proceeds from (Payment for) Other Financing Activity Interest income Interest Income, Other Land Land [Member] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] Self insurance reserve Self Insurance Reserve Equity Awards Adjustments Equity Awards Adjustments [Member] Other non-cash items Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Compensation Amount Outstanding Recovery Compensation Amount Total debt, principal Debt Instrument, Face Amount Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Cencora, Inc. Cencora, Inc. [Member] Amerisource Bergen Corporation [Member] Estimate of Fair Value Measurement Estimate of Fair Value Measurement [Member] Provision for income taxes Discontinued Operation, Tax Effect of Discontinued Operation MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Name Awards Close in Time to MNPI Disclosures, Individual Name Restricted cash included in other long-term assets at end of period - continuing operations Restricted Cash, Noncurrent Escrow deposit Escrow Deposit Fair value adjustment in contingent consideration liabilities Business Combination, Contingent Consideration, Change in Contingent Consideration, Liability, Increase (Decrease) Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Xiaflex Xiaflex [Member] Xiaflex Terlivaz CVR Terlivaz CVR [Member] Terlivaz CVR Term Loan due April 2031 First-Out Takeback Term Loan Due November 2028 [Member] First-Out Takeback Term Loan Due November 2028 Share-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive (loss) income Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term debt Long-Term Debt and Lease Obligation Country Region Country Region Litigation Case [Axis] Litigation Case [Axis] Mallinckrodt & Endo Merger Mallinckrodt & Endo Merger [Member] Mallinckrodt & Endo Merger Variable Consideration [Domain] Variable Consideration [Domain] [Domain] for Variable Consideration [Axis] Performance Share Units Performance Shares [Member] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Schedule of Transaction Price Allocated to the Remaining Performance Obligations Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Balance Sheet Location [Domain] Statement of Financial Position Location, Balance [Domain] Inventories Increase (Decrease) in Inventories Inventories Inventories Inventory, Net Amortizable Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Schedule of Applicable Interest Rate on Variable-rate Debt [Table] Schedule of Applicable Interest Rate on Variable-rate Debt [Table] Schedule of Applicable Interest Rate on Variable-rate Debt [Table] Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Decrease to goodwill Measurement period adjustments (Note 3) Goodwill, Measurement Period Adjustment Company Selected Measure Name Company Selected Measure Name INOmax Inomax [Member] Inomax [Member] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Finite-Lived Intangible Assets Amortization Expense Finite-Lived Intangible Assets Amortization Expense [Table Text Block] Debt Debt Disclosure [Text Block] Preferred Shares, $0.001 par value, 3,000,000,000,000 authorized; none issued and outstanding Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Finished goods Inventory, Finished Goods, Net of Reserves Goodwill [Roll Forward] Goodwill [Roll Forward] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Share-Based Payment Arrangement, Tranche Two Share-Based Payment Arrangement, Tranche Two [Member] Net sales Disposal Group, Including Discontinued Operation, Revenue Diluted weighted-average shares outstanding (in shares) Diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Combination, integration, and other related expenses Business Combination, Integration-Related Cost, Expense Commitments and contingencies (Note 13) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Business Combination [Axis] Business Combination [Axis] Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Preferred shares, shares outstanding (in shares) Preferred Stock, Shares Outstanding Document Transition Report Document Transition Report Schedules of Concentration of Risk Schedules of Concentration of Risk, by Risk Factor [Table Text Block] Recently Issued Accounting Standards Accounting Standards Update and Change in Accounting Principle [Text Block] Underlying Securities Award Underlying Securities Amount Concentration Risk Concentration Risk [Line Items] Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Income Taxes Income Tax Disclosure [Text Block] Measurement period adjustments, inventory Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Inventory Diluted (loss) income per share (Note 7): Earnings Per Share, Diluted [Abstract] Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss Ordinary A Common Class A [Member] Contractual obligation Contractual Obligation Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Cash and cash equivalents at end of period Cash And Cash Equivalent, Including Discontinued Operation Cash And Cash Equivalent, Including Discontinued Operation Document Type Document Type Level 3 Fair Value, Inputs, Level 3 [Member] Loss per Share Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Loss Contingencies [Table] Loss Contingencies [Table] Additional paid-in capital Additional Paid in Capital Product and Service [Axis] Product and Service [Axis] Net sales Revenue from Contract with Customer Benchmark [Member] Litigation Status [Domain] Litigation Status [Domain] Loss contingency, number of patents asserted Loss Contingency, Number Of Patents Asserted Loss Contingency, Number Of Patents Asserted All Individuals All Individuals [Member] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Capital expenditures Payments to Acquire Property, Plant, and Equipment Transferred at Point in Time Transferred at Point in Time [Member] Selling, general and administrative expenses Disposal Group, Including Discontinued Operation, General and Administrative Expense Name Forgone Recovery, Individual Name Schedule of Applicable Interest Rate on Variable-rate Debt Schedule of Applicable Interest Rate on Variable-rate Debt [Table Text Block] [Table Text Block] for Schedule of Applicable Interest Rate on Variable-rate Debt [Table] Total current assets Assets, Current Statistical Measurement [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Net cash provided by operating activities - discontinued operations Cash Provided by (Used in) Operating Activity, Discontinued Operation Disposal Group Classification [Axis] Disposal Group Classification [Axis] Loss contingency accrual Loss Contingency Accrual FFF Enterprises, Inc. FFF Enterprises, Inc. [Member] FFF Enterprises, Inc. Non-cash accretion expense (Amortization) Accretion Expense On Debt Premium/Discount And Settlement Obligation (Amortization) Accretion Expense On Debt Premium/Discount And Settlement Obligation Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Restricted cash included in prepaid expenses and other assets at end of period - discontinued operations Restricted Cash, Current Discontinued Operations Restricted Cash, Current Discontinued Operations Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Loss contingency, number of PTE registrations Loss Contingency, Number Of PTE Registrations Loss Contingency, Number Of PTE Registrations Thereafter Finite-Lived Intangible Asset, Expected Amortization, After Year Four Finite-Lived Intangible Asset, Expected Amortization, After Year Four Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Income from discontinued operations before income taxes Discontinued Operation, Income (Loss) from Discontinued Operation, before Income Tax Current Liabilities: Liabilities, Current [Abstract] Total other comprehensive (loss) income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Geographical [Axis] Geographical [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Benefit plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Acthar Gel-Related Settlement Acthar Gel-Related Settlement, Current Acthar Gel-Related Settlement, Current Level 1 Fair Value, Inputs, Level 1 [Member] Beginning balance, ordinary shares (in shares) Ending balance, ordinary shares (in shares) Shares, Outstanding Payments for divestiture Payments for Divestiture Payments for Divestiture Net loss (in dollars per share) Earnings Per Share, Diluted Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Accounts receivable, less allowance for doubtful accounts of $1.2 and $1.1 Accounts Receivable, after Allowance for Credit Loss, Current Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] Capitalized contract cost, amortization Capitalized Contract Cost, Amortization Beginning balance, treasury stock (in shares) Ending balance, treasury stock (in shares) Treasury Stock, Common, Shares Earnings Per Share [Abstract] Background and Basis of Presentation Business Description and Basis of Presentation [Text Block] Income from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Gross profit Gross Profit Year one Contractual Obligation, to be Paid, Year One Restricted cash included in other long-term assets at end of period (Note 14) Restricted Cash, Noncurrent Including Discontinued Operations Restricted Cash, Noncurrent Including Discontinued Operations Fiscal 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Carrying Value Long-Term Debt, Gross Accrued payroll and payroll-related costs Employee-related Liabilities, Current Property, Plant and Equipment Property, Plant and Equipment Disclosure [Text Block] Fiscal Year Fiscal Period, Policy [Policy Text Block] Net loss Net loss Net loss Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Pending Litigation Pending Litigation [Member] Construction in process Construction in Progress [Member] Product Returns Sales Returns and Allowances [Member] Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Interest expense Disposal Group, Including Discontinued Operation, Interest Expense Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Segment Reporting Information Segment Reporting Information [Line Items] Preferred shares, shares authorized (in shares) Preferred Stock, Shares Authorized Restructuring credits, net Restructuring Charges Repurchase of shares Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Income Taxes [Line Items] Income Taxes [Line Items] [Line Items] for Income Taxes [Table] Entity Current Reporting Status Entity Current Reporting Status Loss contingency estimate instability Loss Contingency, Number of Additional Subpoenas Loss Contingency, Number of Additional Subpoenas Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Operating loss Operating Income (Loss) Accumulated deficit Retained Earnings (Accumulated Deficit) Number of regional service centers Number Of Regional Service Centers Number Of Regional Service Centers Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Transferred over Time Transferred over Time [Member] Repayment of external debt Repayments of Debt Class of Stock [Axis] Class of Stock [Axis] Current Fiscal Year End Date Current Fiscal Year End Date IRELAND IRELAND Amortizable Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Inventory step-up amortization from acquisitions Inventory Step Up Amortization Related to Business Combination Inventory Step Up Amortization Related to Business Combination Year four Contractual Obligation, to be Paid, Year Four Statement [Table] Statement [Table] Other income (expense), net Other Nonoperating Income (Expense) Endo Bankruptcy Endo Bankruptcy [Member] Endo Bankruptcy Effect of currency rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Including Discontinued Operation Adjustments to reconcile net cash from operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Cash Flows From Financing Activities - Continuing Operations: Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Beginning balance Ending balance Contract with Customer, Liability Schedule of Fair Value of Assets and Liabilities Measured on a Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Unrecognized tax benefits Unrecognized Tax Benefits Potentially dilutive share amounts (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Amendment Flag Amendment Flag Termination Date Trading Arrangement Termination Date Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Long-term debt: Long-Term Debt, Excluding Current Maturities [Abstract] Long-Lived Tangible Asset [Domain] Long-Lived Tangible Asset [Domain] Basic weighted-averaged shares outstanding (in shares) Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Inventory provisions Inventory Write-down Cost of sales Cost of Product and Service Sold Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Loss per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Segment Reporting [Abstract] Segment Reporting [Abstract] Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Entity Tax Identification Number Entity Tax Identification Number Developed technology Developed Technology [Member] Developed Technology Term Loan due April 2031 Term Loan Due April 2031 [Member] Term Loan Due April 2031 Year three Contractual Obligation, to be Paid, Year Three Raw materials Inventory, Raw Materials and Purchased Parts, Net of Reserves Inventory, Net [Abstract] Inventory, Net [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Ordinary shares, par value (in dollars and euros per share) Common Stock, Par or Stated Value Per Share Ordinary shares, shares issued (in shares) Common Stock, Shares, Issued Goodwill and Intangible Assets Goodwill and Intangible Assets Disclosure [Text Block] Research and development expenses Disposal Group, Including Discontinued Operation, Research And Development Expense Disposal Group, Including Discontinued Operation, Research And Development Expense Use of Estimates Use of Estimates, Policy [Policy Text Block] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Axis] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Interest expense Interest Expense, Nonoperating Trading Arrangement: Trading Arrangement [Axis] Measurement period adjustments, prepaid expenses and other current assets Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expense And Other Assets, Current Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Prepaid Expense And Other Assets, Current Total Shareholder Return Amount Total Shareholder Return Amount Loss Contingencies [Line Items] Loss Contingencies [Line Items] Insider Trading Arrangements [Line Items] Year two Contractual Obligation, to be Paid, Year Two Total Liabilities Liabilities Ordinary shares Common Stock, Value, Outstanding Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Loss contingency, number of invalidation trials Loss Contingency, Number Of Invalidation Trials Loss Contingency, Number Of Invalidation Trials Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Accrued and other current liabilities Other Liabilities, Current Statement [Line Items] Statement [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and cash equivalents at end of period - continuing operations Cash and Cash Equivalent Vesting of restricted share units, net of tax withholdings Restricted Stock, Value, Shares Issued Net of Tax Withholdings Bank guarantees, letters of credit, surety bonds and collateral Bank Guarantees, Letters Of Credit, Surety Bonds And Collateral Bank Guarantees, Letters Of Credit, Surety Bonds And Collateral Ordinary Shares Common Stock [Member] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net change in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation