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Commitments and Contingencies - Summary of Product Warranty Accrual Activity (Detail) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 28, 2019
Sep. 29, 2018
Sep. 28, 2019
Sep. 29, 2018
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]        
Beginning of period $ 17.8 $ 17.5 $ 17.1 $ 17.2
Additions 3.8 3.0 12.5 10.9
Usage (4.6) (3.3) (12.6) (10.9)
End of period $ 17.0 $ 17.2 $ 17.0 $ 17.2