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Accrued Warranty (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 02, 2021
Jul. 03, 2020
Product Warranties Disclosures [Abstract]    
Balance at beginning of the period $ 4,919 $ 5,756
Provision charged to cost of revenue 929 1,166
Use of provision (1,254) (1,798)
Foreign currency exchange rate changes (29) (40)
Balance at end of the period $ 4,565 $ 5,084