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Nature of Operations and Summary of Significant Accounting Policies - Warranty Obligations (Details) - USD ($)
$ in Thousands
6 Months Ended
Jul. 03, 2021
Jun. 27, 2020
Changes in the carrying amount of accrued warranty costs [Roll Forward]    
Balance at Beginning of Year $ 7,064 $ 6,467
Provision charged to expense 2,709 2,675
Usage (2,255) (2,721)
Currency translation (74) (67)
Balance at End of Period $ 7,444 $ 6,354