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Goodwill
 9 Months Ended
Oct. 02, 2021
Goodwill [Abstract]  
Goodwill
10. Goodwill
Changes in goodwill were as follows (in thousands):
Nine Months Ended
October 2,
2021
Goodwill, beginning of period$103,206 
Foreign currency translation adjustment(1,964)
Goodwill, end of period$101,242