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Pension Plans - Schedule of Amounts Recognized in Consolidated Balance Sheets (Detail) - USD ($)
$ in Millions
Dec. 30, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]    
Pension assets $ 130.5 $ 70.6
Pension liabilities (82.3) (78.6)
Pension Plan    
Defined Benefit Plan Disclosure [Line Items]    
Pension assets 130.5 70.6
Accrued benefits (6.2) (4.9)
Pension liabilities (82.3) (78.6)
Net asset (liability) $ 42.0 $ (12.9)