Derivative Instruments and Hedging Activities (Narrative) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Mar. 28, 2015	Mar. 29, 2014
Derivative Instruments, Gain (Loss) [Line Items]
Net cash impact from hedging activity	$ 3.6	$ (4.7)
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	2.8	2.4
Cash Flow Hedging [Member] | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Lower Remaining Maturity Range	1 month
Derivative, Higher Remaining Maturity Range	15 months
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer	12 months
Cash Flow Hedging [Member] | Foreign exchange contracts | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	(2.9)	(1.3)
Net Equity Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Gain (Loss) on Derivative Used in Net Investment Hedge, Net of Tax	19.5	(3.3)
Net Equity Hedging [Member] | Foreign exchange contracts | Interest Expense [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Amount of gain or (loss) recognized in income on derivatives (ineffective portion and amount excluded from effectiveness testing)	$ (3.5)	$ (3.6)