Commitments and Contingencies (Narrative) (Details) $ in Millions		1 Months Ended	3 Months Ended	9 Months Ended
	Sep. 26, 2012 action	Aug. 31, 2012 principal	Jun. 26, 2015 USD ($) Case	Jun. 26, 2015 USD ($) Patents Defendent Case	Jun. 27, 2014 USD ($)	Apr. 01, 2014 USD ($)	Aug. 31, 2013 Case
Loss Contingencies [Line Items]
Litigation Settlement, Expense			$ 15.5
Environmental liabilities			77.5	$ 77.5
Deferred tax liabilities related to installment sales			1,517.3	1,517.3
Section 453(a) interest			10.7	24.9
Environmental Remediation
Loss Contingencies [Line Items]
Remedial cost range, minimum			40.9	40.9
Remedial cost range, maximum			114.2	$ 114.2
Lower Passaic River, New Jersey
Loss Contingencies [Line Items]
Number of defendants | Defendent				60
Remedial cost range, minimum			483.4	$ 483.4		$ 365.0
Remedial cost range, maximum			2,700.0	2,700.0		3,200.0
Environmental liabilities			$ 13.3	$ 13.3	$ 23.1
Remedial cost, estimate						$ 1,700.0
Asbestos Matters
Loss Contingencies [Line Items]
Pending claims | Case			12,000	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			$ 3.5	$ 3.5
'222 and '218 Patent Litigation
Loss Contingencies [Line Items]
Settled Offirmev patent claims | Case				4
Glenridge Litigation
Loss Contingencies [Line Items]
Number of defendants | principal		3
Pending claims | Case							1
Questcor Securities Litigation
Loss Contingencies [Line Items]
Subsequent actions consolidated into lawsuit | action	4
Loss Contingency Accrual			38.0	$ 38.0
Legal Matters and Contingencies [Text Block]				38.0
Questcor Shareholder Derivative Litigation
Loss Contingencies [Line Items]
Subsequent actions consolidated into lawsuit | action	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			200.0	$ 200.0
Industrial Revenue Bonds
Loss Contingencies [Line Items]
Plant assets exchanged for IRBs				$ 88.0
United States
Loss Contingencies [Line Items]
Ofirmev patents | Patents				2
Indemnification Agreement | Tax Obligations [Member]
Loss Contingencies [Line Items]
Indemnification			$ 22.5	$ 22.5