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Total costs accrued as of the balance sheet date for environmental loss contingencies.

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Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable in twelve months or in the next operating cycle if longer.

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Number of entity's patents that another entity has allegedly infringed.

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The current carrying amount of the liability for the freestanding or embedded guarantor's obligations under the guarantee or each group of similar guarantees.

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Number of claims settled.

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Number of defendants named in a legal action.

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The estimated minimum amount of possible loss from the contingency.

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Amount of divestiture of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

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Commitments and Contingencies (Narrative) (Details) (USD $)	3 Months Ended	1 Months Ended	0 Months Ended
	Dec. 26, 2014	Aug. 31, 2012 principal	Sep. 26, 2012 action	Aug. 31, 2013 Case
Loss Contingencies [Line Items]
Environmental liabilities	$ 70,000,000
Deferred tax liabilities related to installment sales	1,551,000,000
Section 453(a) interest	2,800,000mnk_InterestExpenseInstallmentSales
Environmental Remediation
Loss Contingencies [Line Items]
Remedial cost range, minimum	46,500,000
Remedial cost range, maximum	108,800,000
Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Number of defendants	60
Remedial cost range, minimum	365,000,000
Remedial cost range, maximum	3,200,000,000
Environmental liabilities	23,100,000
Remedial cost, estimate	1,700,000,000
Asbestos Matters
Loss Contingencies [Line Items]
Pending claims	12,000
Estimation of liability, historical term	5 years
Estimation of liability, expected future term of claims	7 years
Accrued and other current liabilities
Loss Contingencies [Line Items]
Environmental liabilities, current	8,000,000
'222 and '218 Patent Litigation
Loss Contingencies [Line Items]
Settled Offirmev patent claims	4
Glenridge Litigation
Loss Contingencies [Line Items]
Number of defendants		3
Pending claims				1
Questcor Securities Litigation
Loss Contingencies [Line Items]
Subsequent actions consolidated into lawsuit			4
Questcor Shareholder Derivative Litigation
Loss Contingencies [Line Items]
Subsequent actions consolidated into lawsuit			5
Period Of Stay, Option 1	60 days
Period Of Stay, Option 2	60 days
David Taban, et al. v. Questcor Litigation
Loss Contingencies [Line Items]
Period Of Stay, Option 1	60 days
Period Of Stay, Option 2	60 days
Tax Matters Agreement \| Covidien
Loss Contingencies [Line Items]
Tax agreement, tax threshold	200,000,000
Industrial Revenue Bonds
Loss Contingencies [Line Items]
Plant assets exchanged for IRBs	27,400,000
United States
Loss Contingencies [Line Items]
Ofirmev patents	2
Indemnification Agreement \| Tax Obligations [Member]
Loss Contingencies [Line Items]
Indemnification	$ 22,500,000