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Receivables, Net
 9 Months Ended
Sep. 25, 2021
Receivables [Abstract]  
Receivables, Net RECEIVABLES, NET
Receivables are summarized as follows:
September 25,
2021		December 26,
2020
Customers, trade$39,916 $31,074 
Other receivables2,138 1,920 
Gross receivables42,054 32,994 
Less: allowance for doubtful accounts(84)(92)
Receivables, net$41,970 $32,902 
Bad debt expense (credit) was $4 for the three months ended September 25, 2021 and $20 for the three months ended September 26, 2020. Bad debt expense (credit) was $414 for the nine months ended September 25, 2021 and $(16) for the nine months ended September 26, 2020.