Fair Value Measurements, Derivative Instruments, Gains & Losses (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2016	Sep. 26, 2015	Oct. 01, 2016	Sep. 26, 2015		Apr. 30, 2016	Dec. 31, 2015
Derivative Instruments, Gain (Loss) [Line Items]
Costs associated with entering into interest rate swap arrangements				$ 7.5
Gain (Loss) in Currency Translation Adjustment on Net Investment Hedge			$ (54.0)	43.0
Notional Amount Of Derivatives	$ 8,280.0		8,280.0				$ 6,630.0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax	0.0	$ (28.7)	(36.6)	(5.7)
Foreign Currency Exchange Contracts [Member] | Cost of Sales [Member] | Derivatives Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion of Gain (Loss) on Derivative, Net	(3.7)	(6.0)	(18.7)	11.5
Foreign Currency Exchange Contracts [Member] | Other Expense [Member] | Derivatives Not Designated as Hedging Instrument [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion of Gain (Loss) on Derivative, Net	1.2	(6.4)	(42.9)	130.6
Fair Value Hedging [Member] | Interest Rate Swaps [Member] | Other Expense [Member] | Derivatives Designated as Fair Value Hedges [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Effective Portion of Gain (Loss) on Derivative, Net	4.9	9.5	17.0	25.7
Ineffective Portion of Gain (Loss) on Derivative, Net	$ 1.1	$ (0.2)	$ 1.6	$ (7.4)	[1]
Cash Flow Hedging [Member] | Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Debt Instrument, Term			10 years
Notional Amount Of Derivatives						$ 1,000.0
Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax						$ (46.0)

[1] The ineffective portion of the loss recognized on interest rate swaps during the nine months ended September 26, 2015 includes $7.5 million of costs associated with entering into the swap arrangements.