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Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail) - USD ($)
$ in Millions
3 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Commitments and Contingencies Disclosure [Abstract]    
Beginning of year $ 16.0 $ 16.4
Additions 3.7 3.0
Usage (2.6) (2.9)
End of period $ 17.1 $ 16.5