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Pension Plans - Summary of Change in Benefit Obligation (Detail) - Pension Plan - USD ($)
$ in Millions
12 Months Ended
Dec. 29, 2018
Dec. 30, 2017
Dec. 31, 2016
Defined Benefit Plan, Change in Benefit Obligation [Roll Forward]      
Benefit obligation at beginning of year $ 1,467.6 $ 1,361.4  
Service cost 25.1 22.7 $ 19.3
Interest cost 52.8 56.1 56.5
Plan participant contributions 0.5 0.6  
Plan amendments 1.0 0.0  
Plan settlements 0.0 (0.3)  
Benefits paid (68.5) (66.6)  
Actuarial (gain) loss (77.9) 69.5  
Foreign currency impact (13.7) 24.2  
Benefit obligation at end of year $ 1,386.9 $ 1,467.6 $ 1,361.4