Fair Value Measurements - Carrying Value and Fair Value of Debt (Detail) - USD ($) $ in Millions	Jun. 27, 2026	Dec. 27, 2025
Carrying Value [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Debt	$ 2,551.5	$ 2,544.9
Carrying Value [Member] \| Senior Notes [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Debt	2,177.3	2,176.1
Carrying Value [Member] \| Commercial Paper Borrowings [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Debt	374.2	368.8
Fair Value [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Debt	2,464.0	2,478.1
Fair Value [Member] \| Senior Notes [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Debt	2,089.8	2,109.3
Fair Value [Member] \| Commercial Paper Borrowings [Member]
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]
Total Debt	$ 374.2	$ 368.8

Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable.

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