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Nature of Operations and Summary of Significant Accounting Policies - Product Warranty (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 28, 2019
Dec. 29, 2018
Changes in the carrying amount of accrued warranty costs [Roll Forward]    
Balance at Beginning of Year $ 5,726 $ 5,498
Provision charged to expense 4,727 3,708
Usage (4,255) (3,140)
Acquisition 303 0
Currency translation (34) (340)
Balance at End of Year $ 6,467 $ 5,726