Quarterly report pursuant to Section 13 or 15(d)

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

v3.7.0.1
Product Warranties - Summary of Activity in Warranty Accrual (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jul. 01, 2017
Jul. 02, 2016
Jul. 01, 2017
Jul. 02, 2016
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at Beginning of Period $ 4,357 $ 5,122 $ 4,675 $ 5,741
Acquisitions 359 0 359 0
Warranties Issued 365 545 832 1,206
Warranties Settled (517) (405) (1,224) (1,290)
Reassessed Warranty Exposure 73 99 (5) (296)
Balance at End of Period $ 4,637 $ 5,361 $ 4,637 $ 5,361
Minimum        
Product Liability Contingency [Line Items]        
Product warranty period     12 months  
Maximum        
Product Liability Contingency [Line Items]        
Product warranty period     60 months