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Warranty Obligations (Tables)
3 Months Ended
Apr. 04, 2021
Product Warranties Disclosures [Abstract]  
Changes in Warranty Obligations
The changes in the warranty obligation were as follows (in thousands):
Balance as of December 31, 2020$5,406 
Provisions for warranties issued during the period771 
Fulfillment of warranty obligations(691)
Balance as of April 4, 2021$5,486