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Condensed Consolidating Financial Statements (Schedule of Condensed Consolidating Statements of Comprehensive Income) (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Mar. 27, 2015
Mar. 28, 2014
Mar. 27, 2015
Mar. 28, 2014
Condensed Consolidating Financial Statements        
Net sales $ 909.9us-gaap_SalesRevenueGoodsNet $ 557.8us-gaap_SalesRevenueGoodsNet $ 1,776.2us-gaap_SalesRevenueGoodsNet $ 1,098.0us-gaap_SalesRevenueGoodsNet
Cost of sales 421.4us-gaap_CostOfGoodsSold 295.2us-gaap_CostOfGoodsSold 849.0us-gaap_CostOfGoodsSold 579.8us-gaap_CostOfGoodsSold
Gross profit 488.5us-gaap_GrossProfit 262.6us-gaap_GrossProfit 927.2us-gaap_GrossProfit 518.2us-gaap_GrossProfit
Selling, general and administrative expenses (343.5)us-gaap_SellingGeneralAndAdministrativeExpense (194.1)us-gaap_SellingGeneralAndAdministrativeExpense (606.0)us-gaap_SellingGeneralAndAdministrativeExpense (340.3)us-gaap_SellingGeneralAndAdministrativeExpense
Research and development expenses (47.0)us-gaap_ResearchAndDevelopmentExpense (41.4)us-gaap_ResearchAndDevelopmentExpense (89.4)us-gaap_ResearchAndDevelopmentExpense (80.4)us-gaap_ResearchAndDevelopmentExpense
Separation costs 0mnk_SeparationCosts 2.6mnk_SeparationCosts 0mnk_SeparationCosts 4.8mnk_SeparationCosts
Restructuring charges, net (3.7)us-gaap_RestructuringCharges (21.7)us-gaap_RestructuringCharges (10.9)us-gaap_RestructuringCharges (29.7)us-gaap_RestructuringCharges
Gains on divestiture and license (0.9)mnk_GainonDivestiture (0.9)mnk_GainonDivestiture (1.7)mnk_GainonDivestiture (13.8)mnk_GainonDivestiture
Operating (loss) income 95.2us-gaap_OperatingIncomeLoss 3.7us-gaap_OperatingIncomeLoss 222.6us-gaap_OperatingIncomeLoss 76.8us-gaap_OperatingIncomeLoss
Interest expense (57.4)us-gaap_InterestExpense (12.4)us-gaap_InterestExpense (106.2)us-gaap_InterestExpense (22.2)us-gaap_InterestExpense
Interest income (0.4)us-gaap_InterestIncomeOther (0.5)us-gaap_InterestIncomeOther (0.5)us-gaap_InterestIncomeOther (0.8)us-gaap_InterestIncomeOther
Other income (expense), net (4.1)us-gaap_OtherNonoperatingIncomeExpense 0.4us-gaap_OtherNonoperatingIncomeExpense (8.2)us-gaap_OtherNonoperatingIncomeExpense 1.0us-gaap_OtherNonoperatingIncomeExpense
Intercompany interest and fees 0mnk_IntercompanyInterestAndFees 0mnk_IntercompanyInterestAndFees 0mnk_IntercompanyInterestAndFees 0mnk_IntercompanyInterestAndFees
Equity in net income of subsidiaries 0us-gaap_IncomeLossFromEquityMethodInvestments 0us-gaap_IncomeLossFromEquityMethodInvestments 0us-gaap_IncomeLossFromEquityMethodInvestments 0us-gaap_IncomeLossFromEquityMethodInvestments
Income from continuing operations before income taxes 42.3us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments (8.6)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 125.1us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments 54.4us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
Income tax expense (benefit) 34.2us-gaap_IncomeTaxExpenseBenefit 20.3us-gaap_IncomeTaxExpenseBenefit 43.5us-gaap_IncomeTaxExpenseBenefit 3.7us-gaap_IncomeTaxExpenseBenefit
Income from continuing operations 76.5us-gaap_IncomeLossFromContinuingOperations 11.7us-gaap_IncomeLossFromContinuingOperations 168.6us-gaap_IncomeLossFromContinuingOperations 58.1us-gaap_IncomeLossFromContinuingOperations
Income (loss) from discontinued operations, net of income taxes 22.3us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity (0.1)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity 22.9us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity (0.9)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
Net income 98.8us-gaap_NetIncomeLoss 11.6us-gaap_NetIncomeLoss 191.5us-gaap_NetIncomeLoss 57.2us-gaap_NetIncomeLoss
Other comprehensive loss, net of tax (36.5)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent (2.3)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent (57.8)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent (2.1)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
Comprehensive income 62.3us-gaap_ComprehensiveIncomeNetOfTax 9.3us-gaap_ComprehensiveIncomeNetOfTax 133.7us-gaap_ComprehensiveIncomeNetOfTax 55.1us-gaap_ComprehensiveIncomeNetOfTax
Mallinckrodt plc        
Condensed Consolidating Financial Statements        
Net sales 0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Cost of sales 0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Gross profit 0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Selling, general and administrative expenses (31.7)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(7.9)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(62.4)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(11.9)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Research and development expenses 0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Separation costs   0.6mnk_SeparationCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
  1.4mnk_SeparationCosts
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Restructuring charges, net (0.9)us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(7.7)us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Gains on divestiture and license 0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Operating (loss) income (32.6)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(8.5)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(70.1)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(13.3)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Interest expense 0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Interest income 0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Other income (expense), net (138.9)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(22.3)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(142.4)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(23.0)us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Intercompany interest and fees 3.1mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0.9mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
5.0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
4.0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Equity in net income of subsidiaries 4.4us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
1.1us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(124.2)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(51.5)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income from continuing operations before income taxes 98.8us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
11.8us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
191.5us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
57.2us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income tax expense (benefit) 0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(0.2)us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income from continuing operations 98.8us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
11.6us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
191.5us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
57.2us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Income (loss) from discontinued operations, net of income taxes 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Net income 98.8us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
11.6us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
191.5us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
57.2us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Other comprehensive loss, net of tax (36.5)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(2.3)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(57.8)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
(2.1)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Comprehensive income 62.3us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
9.3us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
133.7us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
55.1us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ParentCompanyMember
Mallinckrodt International Finance S.A.        
Condensed Consolidating Financial Statements        
Net sales 0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Cost of sales 0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Gross profit 0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Selling, general and administrative expenses (0.1)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(0.1)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(0.2)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(0.2)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Research and development expenses 0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Separation costs   0mnk_SeparationCosts
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
  0mnk_SeparationCosts
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Restructuring charges, net 0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Gains on divestiture and license 0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Operating (loss) income (0.1)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(0.1)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(0.2)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(0.2)us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Interest expense (49.0)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(12.8)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(97.7)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(23.3)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Interest income 0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Other income (expense), net 0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Intercompany interest and fees 0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Equity in net income of subsidiaries (44.7)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(11.7)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(222.1)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(74.9)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Income from continuing operations before income taxes (4.4)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(1.2)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
124.2us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
51.4us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Income tax expense (benefit) 0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0.1us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0.1us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Income from continuing operations (4.4)us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(1.1)us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
124.2us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
51.5us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Income (loss) from discontinued operations, net of income taxes 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Net income (4.4)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(1.1)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
124.2us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
51.5us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Other comprehensive loss, net of tax (36.5)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(2.3)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(57.8)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(2.1)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Comprehensive income (40.9)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
(3.4)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
66.4us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
49.4us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_SubsidiaryIssuerMember
Other Subsidiaries        
Condensed Consolidating Financial Statements        
Net sales 909.9us-gaap_SalesRevenueGoodsNet
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= us-gaap_NonGuarantorSubsidiariesMember
557.8us-gaap_SalesRevenueGoodsNet
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= us-gaap_NonGuarantorSubsidiariesMember
1,776.2us-gaap_SalesRevenueGoodsNet
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1,098.0us-gaap_SalesRevenueGoodsNet
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Cost of sales 421.4us-gaap_CostOfGoodsSold
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295.2us-gaap_CostOfGoodsSold
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849.0us-gaap_CostOfGoodsSold
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579.8us-gaap_CostOfGoodsSold
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262.6us-gaap_GrossProfit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
927.2us-gaap_GrossProfit
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= us-gaap_NonGuarantorSubsidiariesMember
518.2us-gaap_GrossProfit
/ dei_LegalEntityAxis
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Selling, general and administrative expenses (311.7)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(186.1)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(543.4)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(328.2)us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
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Research and development expenses (47.0)us-gaap_ResearchAndDevelopmentExpense
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= us-gaap_NonGuarantorSubsidiariesMember
(41.4)us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(89.4)us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(80.4)us-gaap_ResearchAndDevelopmentExpense
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= us-gaap_NonGuarantorSubsidiariesMember
Separation costs   2.0mnk_SeparationCosts
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= us-gaap_NonGuarantorSubsidiariesMember
  3.4mnk_SeparationCosts
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Restructuring charges, net (2.8)us-gaap_RestructuringCharges
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= us-gaap_NonGuarantorSubsidiariesMember
(21.7)us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(3.2)us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(29.7)us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Gains on divestiture and license (0.9)mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.9)mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(1.7)mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(13.8)mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Operating (loss) income 127.9us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
12.3us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
292.9us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
90.3us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Interest expense (8.4)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0.4us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(8.5)us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
1.1us-gaap_InterestExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Interest income (0.4)us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.5)us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.5)us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.8)us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Other income (expense), net 134.8us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
22.7us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
134.2us-gaap_OtherNonoperatingIncomeExpense
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= us-gaap_NonGuarantorSubsidiariesMember
24.0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Intercompany interest and fees (3.1)mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.9)mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(5.0)mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(4.0)mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Equity in net income of subsidiaries 4.4us-gaap_IncomeLossFromEquityMethodInvestments
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= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(124.2)us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
0us-gaap_IncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income from continuing operations before income taxes (16.2)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(8.6)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
279.9us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
72.2us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income tax expense (benefit) 34.2us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
20.4us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
43.5us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
3.6us-gaap_IncomeTaxExpenseBenefit
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income from continuing operations 18.0us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
11.8us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
323.4us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
75.8us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Income (loss) from discontinued operations, net of income taxes 22.3us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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= us-gaap_NonGuarantorSubsidiariesMember
(0.1)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
22.9us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(0.9)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Net income 40.3us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
11.7us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
346.3us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
74.9us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Other comprehensive loss, net of tax (73.1)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(2.4)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(115.8)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
(2.3)us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Comprehensive income (32.8)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
9.3us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
230.5us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
72.6us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_NonGuarantorSubsidiariesMember
Eliminations        
Condensed Consolidating Financial Statements        
Net sales 0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SalesRevenueGoodsNet
/ dei_LegalEntityAxis
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Cost of sales 0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
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0us-gaap_CostOfGoodsSold
/ dei_LegalEntityAxis
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Gross profit 0us-gaap_GrossProfit
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= us-gaap_ConsolidationEliminationsMember
0us-gaap_GrossProfit
/ dei_LegalEntityAxis
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0us-gaap_GrossProfit
/ dei_LegalEntityAxis
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0us-gaap_GrossProfit
/ dei_LegalEntityAxis
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Selling, general and administrative expenses 0us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
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0us-gaap_SellingGeneralAndAdministrativeExpense
/ dei_LegalEntityAxis
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Research and development expenses 0us-gaap_ResearchAndDevelopmentExpense
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0us-gaap_ResearchAndDevelopmentExpense
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0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_ResearchAndDevelopmentExpense
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Separation costs   0mnk_SeparationCosts
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= us-gaap_ConsolidationEliminationsMember
  0mnk_SeparationCosts
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= us-gaap_ConsolidationEliminationsMember
Restructuring charges, net 0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
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0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
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0us-gaap_RestructuringCharges
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
Gains on divestiture and license 0mnk_GainonDivestiture
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= us-gaap_ConsolidationEliminationsMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0mnk_GainonDivestiture
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
0mnk_GainonDivestiture
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Operating (loss) income 0us-gaap_OperatingIncomeLoss
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0us-gaap_OperatingIncomeLoss
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0us-gaap_OperatingIncomeLoss
/ dei_LegalEntityAxis
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0us-gaap_OperatingIncomeLoss
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Interest expense 0us-gaap_InterestExpense
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= us-gaap_ConsolidationEliminationsMember
0us-gaap_InterestExpense
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0us-gaap_InterestExpense
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0us-gaap_InterestExpense
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Interest income 0us-gaap_InterestIncomeOther
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0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
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0us-gaap_InterestIncomeOther
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0us-gaap_InterestIncomeOther
/ dei_LegalEntityAxis
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Other income (expense), net 0us-gaap_OtherNonoperatingIncomeExpense
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0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
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0us-gaap_OtherNonoperatingIncomeExpense
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0us-gaap_OtherNonoperatingIncomeExpense
/ dei_LegalEntityAxis
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Intercompany interest and fees 0mnk_IntercompanyInterestAndFees
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0mnk_IntercompanyInterestAndFees
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0mnk_IntercompanyInterestAndFees
/ dei_LegalEntityAxis
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0mnk_IntercompanyInterestAndFees
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Equity in net income of subsidiaries 35.9us-gaap_IncomeLossFromEquityMethodInvestments
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10.6us-gaap_IncomeLossFromEquityMethodInvestments
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470.5us-gaap_IncomeLossFromEquityMethodInvestments
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126.4us-gaap_IncomeLossFromEquityMethodInvestments
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Income from continuing operations before income taxes (35.9)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
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(10.6)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
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= us-gaap_ConsolidationEliminationsMember
(470.5)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(126.4)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments
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Income tax expense (benefit) 0us-gaap_IncomeTaxExpenseBenefit
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0us-gaap_IncomeTaxExpenseBenefit
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0us-gaap_IncomeTaxExpenseBenefit
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0us-gaap_IncomeTaxExpenseBenefit
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Income from continuing operations (35.9)us-gaap_IncomeLossFromContinuingOperations
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= us-gaap_ConsolidationEliminationsMember
(10.6)us-gaap_IncomeLossFromContinuingOperations
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
(470.5)us-gaap_IncomeLossFromContinuingOperations
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(126.4)us-gaap_IncomeLossFromContinuingOperations
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Income (loss) from discontinued operations, net of income taxes 0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
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0us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity
/ dei_LegalEntityAxis
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Net income (35.9)us-gaap_NetIncomeLoss
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= us-gaap_ConsolidationEliminationsMember
(10.6)us-gaap_NetIncomeLoss
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= us-gaap_ConsolidationEliminationsMember
(470.5)us-gaap_NetIncomeLoss
/ dei_LegalEntityAxis
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(126.4)us-gaap_NetIncomeLoss
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Other comprehensive loss, net of tax 109.6us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
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4.7us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
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173.6us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
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4.4us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent
/ dei_LegalEntityAxis
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Comprehensive income $ 73.7us-gaap_ComprehensiveIncomeNetOfTax
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= us-gaap_ConsolidationEliminationsMember
$ (5.9)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ (296.9)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember
$ (122.0)us-gaap_ComprehensiveIncomeNetOfTax
/ dei_LegalEntityAxis
= us-gaap_ConsolidationEliminationsMember