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Basis of Presentation and Summary of Significant Accounting Policies - Summary of Activity of Company's Accrued Warranty Liability (Detail) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2018
Apr. 01, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at Beginning of Period $ 13,026 $ 13,391
Accruals for Warranties 1,767 1,815
Settlements Made (2,167) (2,208)
Balance at End of Period $ 12,626 $ 12,998