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Receivables, Net (Tables)
 9 Months Ended
Sep. 24, 2016
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Receivables are summarized as follows:
 
September 24,
2016
 
December 26,
2015
Customers, trade
$
45,060

 
$
46,110

Other receivables
2,710

 
5,166

Gross receivables
47,770

 
51,276

Less: allowance for doubtful accounts
(202
)
 
(470
)
Receivables, net
$
47,568

 
$
50,806