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Fair Value Measurements - Carrying Value and Fair Value of Debt (Detail) - USD ($)
$ in Millions
Dec. 27, 2025
Dec. 28, 2024
Carrying Value [Member] | Senior Notes [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Total Debt $ 2,176.1 $ 2,673.3
Carrying Value [Member] | Commercial Paper Borrowings [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Total Debt 368.8 0.0
Fair Value [Member] | Senior Notes [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Total Debt 2,109.3 2,522.5
Fair Value [Member] | Commercial Paper Borrowings [Member]    
Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis Valuation Techniques [Line Items]    
Total Debt $ 368.8 $ 0.0