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Pension Plans - Schedule of Change in Fair Value of Plan Assets (Detail) - Pension Plan - USD ($)
$ in Millions
 12 Months Ended
Dec. 30, 2023
Dec. 31, 2022
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]    
Fair value of plan assets at beginning of year $ 1,241.7 $ 1,710.9
Actual gain (loss) on plan assets 155.3 (384.1)
Employer contributions 8.1 10.8
Plan participant contributions 0.4 0.4
Benefits paid (79.3) (77.7)
Foreign currency impact 7.7 (18.6)
Fair value of plan assets at end of year 1,333.9 1,241.7
Funded (unfunded) status at end of year $ 42.0 $ (12.9)