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Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2016
Jan. 02, 2016
Jan. 03, 2015
Commitments and Contingencies Disclosure [Abstract]      
Beginning of year $ 16.4 $ 17.3 $ 17.0
Additions 12.8 13.3 14.6
Usage (13.2) (14.2) (14.3)
End of year $ 16.0 $ 16.4 $ 17.3