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Pension Plans and Postretirement Benefits - Schedule of Funded Status (Details) - USD ($)
$ in Millions
Dec. 29, 2024
Dec. 31, 2023
Amounts recognized in the consolidated balance sheets as a debit (credit):    
Prepaid pension assets $ 227.6 $ 203.3
Accrued pension obligations long-term (58.8) (57.8)
Domestic    
Funded Status and Amounts Recognized in Balance Sheets [Abstract]    
Funded (unfunded) status 181.1 156.3
Amounts recognized in the consolidated balance sheets as a debit (credit):    
Prepaid pension assets 227.6 203.3
Accrued pension obligations short-term (2.9) (2.9)
Accrued pension obligations long-term (43.6) (44.1)
Net amount recognized 181.1 156.3
Amounts recognized in AOCI:    
Net prior service cost (credit) 1.4 1.0
Net loss 301.8 318.4
Net amount recognized, before tax effect 303.2 319.4
Foreign    
Funded Status and Amounts Recognized in Balance Sheets [Abstract]    
Funded (unfunded) status (11.6) (12.9)
Amounts recognized in the consolidated balance sheets as a debit (credit):    
Prepaid pension assets 0.0 0.0
Accrued pension obligations short-term (0.5) (0.6)
Accrued pension obligations long-term (11.1) (12.3)
Net amount recognized (11.6) (12.9)
Amounts recognized in AOCI:    
Net prior service cost (credit) 0.5 0.4
Net loss 7.7 8.2
Net amount recognized, before tax effect $ 8.2 $ 8.6