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Pension Plans and Postretirement Benefits - Schedule of Changes in Plan Assets (Details) - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2024
Dec. 31, 2023
Domestic    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of net plan assets - beginning of year $ 740.4 $ 719.7
Actual return on plan assets 47.4 78.0
Employer contribution - other benefit plan 2.6 2.5
Foreign currency changes 0.0 0.0
Benefits paid (68.1) (59.8)
Other 0.0 0.0
Fair value of net plan assets - end of year 722.3 740.4
Foreign    
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of net plan assets - beginning of year 38.6 35.0
Actual return on plan assets (1.2) 2.3
Employer contribution - other benefit plan 1.5 1.5
Foreign currency changes (1.1) 2.0
Benefits paid (2.3) (2.2)
Other (0.4) 0.0
Fair value of net plan assets - end of year $ 35.1 $ 38.6