Hedging Transactions And Derivative Financial Instruments (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Cash flow hedge adjustments
Derivative [Line Items]
Increase	$ 167.5	$ 0.0	$ 184.5	$ 0.0
Cash flow hedge adjustments | Foreign currency contracts
Derivative [Line Items]
Increase	167.0		183.0
Cash flow hedge adjustments | Interest rate swap
Derivative [Line Items]
Increase	1.0		2.0
Net investment hedges | Foreign currency contracts
Derivative [Line Items]
Derivative, notional amount outstanding	2,000.0	$ 1,650.0	$ 2,000.0	$ 1,650.0
Derivative, notional amount, entered into during period	$ 1,000.0