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Accrued Warranty (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 03, 2020
Jun. 28, 2019
Product Warranties Disclosures [Abstract]    
Balance at beginning of the period $ 5,756 $ 4,510
Provision charged to cost of revenue 1,166 1,477
Warranty liabilities from acquisitions   78
Use of provision (1,798) (1,167)
Foreign currency exchange rate changes (40) (8)
Balance at end of the period $ 5,084 $ 4,890