Hedging Transactions And Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 03, 2020	Jun. 28, 2019	Jul. 03, 2020	Jun. 28, 2019
Derivative [Line Items]
Reclassification from AOCI, before tax	$ (166.2)	$ (6.1)	$ (38.2)	$ (13.2)
Cash flow hedge adjustments
Derivative [Line Items]
Reclassification from AOCI, before tax	(155.8)	0.0	(17.0)	0.0
Cash flow hedge adjustments | Foreign currency contracts
Derivative [Line Items]
Reclassification from AOCI, before tax	(155.0)		(16.0)
Cash flow hedge adjustments | Interest rate swap
Derivative [Line Items]
Reclassification from AOCI, before tax	1.0		1.0
Net investment hedging | Foreign currency contracts
Derivative [Line Items]
Derivative, notional amount outstanding	$ 1,000.0	$ 1,000.0	$ 1,000.0	$ 1,000.0