Financial Instruments - Fair Values of Derivative Instruments Included within Accompanying Consolidated Balance Sheets (Detail) - USD ($) $ in Millions	Dec. 28, 2024	Dec. 30, 2023
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	$ 35.7	$ 37.8
Derivative Liability Fair Value	21.3	11.9
Derivatives not designated as hedging instruments: | Prepaid expenses and other current assets     | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	12.3	17.9
Derivatives not designated as hedging instruments: | Prepaid expenses and other current assets     | Equity forwards
Derivatives, Fair Value [Line Items]
Derivative Assets Fair Value	23.4	19.9
Derivatives not designated as hedging instruments: | Other accrued liabilities | Foreign currency forwards
Derivatives, Fair Value [Line Items]
Derivative Liability Fair Value	$ 21.3	$ 11.9