Hedging Transactions And Derivative Financial Instruments (Summary of Notional Values and Pretax Impact in Fair Values of Net Investment Hedges) (Details) - USD ($) $ in Millions	3 Months Ended	9 Months Ended
Oct. 02, 2020	Sep. 27, 2019	Oct. 02, 2020	Sep. 27, 2019
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	$ 1,803.0	$ 1,956.5	$ 1,803.0	$ 1,956.5
(Loss) Gain Recognized in OCI	(56.9)	12.2	(60.8)	12.2
Net investment hedging \| Interest rate contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	450.0	650.0	450.0	650.0
(Loss) Gain Recognized in OCI	1.9	(0.7)	(9.8)	(0.7)
Net investment hedging \| Foreign currency contracts
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	650.0	650.0	650.0	650.0
(Loss) Gain Recognized in OCI	(30.7)	5.7	(20.9)	5.7
Net investment hedging \| Foreign currency denominated debt
Derivative Instruments, Gain (Loss) [Line Items]
Notional Amount	703.0	656.5	703.0	656.5
(Loss) Gain Recognized in OCI	$ (28.1)	$ 7.2	$ (30.1)	$ 7.2

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Nominal or face amount used to calculate payment on derivative.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
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Amount of unrealized gain (loss) related to the fair value of interest rate derivatives designated as fair value hedging instruments, as offset by the gain (loss) on the hedged item to the extent that the fair value hedge is determined to be effective.

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