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Pension Plans - Summary of Change in Benefit Obligation (Detail) - USD ($)
$ in Millions
12 Months Ended
Jan. 02, 2016
Jan. 03, 2015
Dec. 28, 2013
Compensation and Retirement Disclosure [Abstract]      
Benefit obligation at beginning of year $ 1,325.9 $ 1,152.3  
Service cost 20.0 18.0 $ 20.3
Interest cost 53.2 57.3 51.4
Plan participant contributions 1.1 1.2  
Benefits paid (62.4) (59.2)  
Actuarial loss (gain) (40.8) 177.9  
Foreign currency impact (17.6) (21.6)  
Benefit obligation at end of year $ 1,279.4 $ 1,325.9 $ 1,152.3