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Product Warranties (Tables)
 6 Months Ended
Jun. 27, 2020
Product Warranties Disclosures [Abstract]  
Activity Associated with Warranty Obligations Activity associated with warranty obligations was as follows (in thousands):
Six Months Ended
June 27,
2020		June 29,
2019
Balance at beginning of period$15,865  $15,450  
Accruals for warranties issued during period4,626  6,372  
Adjustments related to pre-existing warranties(272) 144  
Settlements made during the period(5,076) (6,398) 
Balance at end of period$15,143  $15,568  
The following table summarizes when these estimated settlements are expected to be paid (in thousands):
June 27,
2020		December 28,
2019
Current - in the next twelve months$7,508  $7,940  
Long-term - beyond one year7,635  7,925  
Total$15,143  $15,865