Quarterly report pursuant to Section 13 or 15(d)

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

v3.10.0.1
Product Warranties - Summary of Activity in Warranty Accrual (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Jun. 30, 2018
Jul. 01, 2017
Jun. 30, 2018
Jul. 01, 2017
Movement in Standard Product Warranty Accrual [Roll Forward]        
Balance at Beginning of Period $ 5,115 $ 4,357 $ 5,136 $ 4,675
Acquisitions 0 359 0 359
Warranties Issued 734 365 1,301 832
Warranties Settled (645) (517) (1,285) (1,224)
Reassessed Warranty Exposure (24) 73 28 (5)
Balance at End of Period $ 5,180 $ 4,637 $ 5,180 $ 4,637
Minimum        
Product Liability Contingency [Line Items]        
Product warranty period     12 months  
Maximum        
Product Liability Contingency [Line Items]        
Product warranty period     60 months