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Income Statement Impacts Related to Derivatives Not Designated as Hedging Instruments (Detail) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 28, 2019	Sep. 29, 2018	Sep. 28, 2019	Sep. 29, 2018
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Interest Expense	$ 72.4	$ 72.1	$ 219.2	$ 204.3
Not Designated as Hedging Instrument [Member] | Foreign Exchange Contracts | Other Income And Expense [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Gain (Loss) on Derivative Instruments, Net, Pretax	2.0	(5.9)	0.7	9.0
Fair Value Hedging [Member]
Derivative Instruments and Hedging Activities Disclosure [Line Items]
Derivative, Loss on Derivative	$ (0.8)	$ (0.8)	$ (6.9)	$ (2.4)

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Derivative Instruments and Hedging Activities Disclosure [Line Items]

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Amount of decrease in the fair value of derivatives recognized in the income statement.

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Aggregate net gain (loss) on all derivative instruments recognized in earnings during the period, before tax effects.

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Amount of the cost of borrowed funds accounted for as interest expense.

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