Quarterly report pursuant to Section 13 or 15(d)

Product Warranties - Summary of Activity in Warranty Accrual (Detail)

v3.7.0.1
Product Warranties - Summary of Activity in Warranty Accrual (Detail) - USD ($)
$ in Thousands
3 Months Ended
Apr. 01, 2017
Apr. 02, 2016
Movement in Standard Product Warranty Accrual [Roll Forward]    
Balance at Beginning of Period $ 4,675 $ 5,741
Warranties Issued 467 661
Warranties Settled (707) (885)
Reassessed Warranty Exposure (78) (395)
Balance at End of Period $ 4,357 $ 5,122
Minimum    
Product Liability Contingency [Line Items]    
Product warranty period 12 months  
Maximum    
Product Liability Contingency [Line Items]    
Product warranty period 60 months