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Financial Instruments - Fair Values of Derivative Instruments Included within Accompanying Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 28, 2019	Dec. 29, 2018
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	$ 23.7	$ 21.7
Derivative Liability Fair Value	4.6	3.2
Derivatives designated as hedging instruments: | Other assets | Interest rate swaps
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	5.0	4.6
Derivatives not designated as hedging instruments:
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	18.7	17.1
Derivative Liability Fair Value	4.6	3.2
Derivatives not designated as hedging instruments: | Prepaid expenses and other assets     | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	3.5	2.8
Derivatives not designated as hedging instruments: | Prepaid expenses and other assets     | Equity forwards
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	15.2	14.3
Derivatives not designated as hedging instruments: | Other accrued liabilities | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative Liability Fair Value	$ 4.6	$ 3.2

X

- Definition

Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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- Definition

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