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Nature of Operations and Summary of Significant Accounting Policies - Warranty Obligations (Details) - USD ($)
$ in Thousands
3 Months Ended
Apr. 03, 2021
Mar. 28, 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 1,664 1,270
Usage (1,361) (1,365)
Currency translation (133) (162)
Balance at End of Period $ 7,234 $ 6,210