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Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail) - USD ($)
$ in Millions
3 Months Ended
Mar. 30, 2019
Mar. 31, 2018
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]    
Beginning of period $ 17.1 $ 17.2
Additions 4.0 3.8
Usage (3.8) (3.5)
End of period $ 17.3 $ 17.5