Derivative Instruments and Hedging Activities (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 28, 2020	Mar. 30, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss) impact from Net Investment Hedging, Forward Points	$ (6.3)	$ 4.3
Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax	0.8	1.0
Net cash impact from hedging activity	(1.9)	0.8
Fair Value Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Change in Unrealized Gain (Loss) on Foreign Currency Fair Value Hedging Instruments	$ 5.0	3.7
Cash Flow Hedging [Member] | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative Instruments, Gain (Loss) Reclassification from Accumulated OCI to Income, Estimate of Time to Transfer	12 months
Net Equity Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax	$ 56.2	(13.1)
Minimum [Member] | Cash Flow Hedging [Member] | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Remaining Maturity Range	1 month
Maximum [Member] | Cash Flow Hedging [Member] | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Remaining Maturity Range	15 months
Other Comprehensive Income (Loss) [Member] | Cash Flow Hedging [Member] | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification		1.2
Other Comprehensive Income (Loss) [Member] | Net Equity Hedging [Member] | Foreign exchange contracts
Derivative Instruments, Gain (Loss) [Line Items]
New Accounting Pronouncement or Change in Accounting Principle, Effect of Adoption, Quantification		$ 3.8