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Receivables, Net (Tables)
 9 Months Ended
Sep. 25, 2021
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
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