Quarterly report pursuant to Section 13 or 15(d)

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

v3.5.0.2
Product Warranties - Summary of Activity in Warranty Accrual (Detail) - USD ($)
$ in Thousands
3 Months Ended 9 Months Ended
Oct. 01, 2016
Oct. 03, 2015
Oct. 01, 2016
Oct. 03, 2015
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at beginning of period $ 5,361 $ 5,319 $ 5,741 $ 4,884
Acquisitions 0 0 0 500
Warranties issued 600 414 1,806 1,553
Warranties settled (616) (737) (1,906) (2,164)
Reassessed warranty exposure (17) 907 (313) 1,130
Balance at end of period $ 5,328 $ 5,903 $ 5,328 $ 5,903
Minimum        
Product Liability Contingency [Line Items]        
Product warranty period     12 months  
Maximum        
Product Liability Contingency [Line Items]        
Product warranty period     60 months