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Product Warranty Reserves
 3 Months Ended
Mar. 27, 2021
Product Warranties Disclosures [Abstract]  
Product Warranty Reserves PRODUCT WARRANTY RESERVES
The Company generally provides product warranties related to manufacturing defects and specific performance standards for its products. Product warranty reserves are included in accrued expenses in the Company's Consolidated Condensed Balance Sheets. The following is a summary of the Company's product warranty activity:
Three Months Ended
 March 27,
2021		March 28,
2020
Product warranty reserve at beginning of period$989 $1,002 
Warranty liabilities accrued189 278 
Warranty liabilities settled(165)(381)
Product warranty reserve at end of period$1,013 $899