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Warranty Costs (Tables)
9 Months Ended
Oct. 02, 2021
Notes To Financial Statements [Abstract]  
Product Warranty Table Disclosure
A rollforward of the warranty reserve is as follows (in thousands):
 Nine Months Ended
 Oct 2, 2021
Balance as of January 2, 2021$69,667 
Warranty reserve related to acquisitions1,836 
Warranty expense54,164 
Warranty claims(43,959)
Balance as of October 2, 2021$81,708