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Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail) - USD ($)
$ in Millions
12 Months Ended
Dec. 30, 2017
Dec. 31, 2016
Jan. 02, 2016
Commitments and Contingencies Disclosure [Abstract]      
Beginning of year $ 16.0 $ 16.4 $ 17.3
Additions 15.2 12.8 13.3
Usage (14.0) (13.2) (14.2)
End of year $ 17.2 $ 16.0 $ 16.4