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Pension Plans - Schedule of Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($)
$ in Millions
Dec. 28, 2024
Dec. 30, 2023
Defined Benefit Plan Disclosure [Line Items]    
Pension assets $ 125.4 $ 130.5
Pension liabilities (78.4) (82.3)
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Pension assets 125.4 130.5
Accrued benefits (9.1) (6.2)
Pension liabilities (78.4) (82.3)
Net asset $ 37.9 $ 42.0