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Receivables, Net (Tables)
 12 Months Ended
Dec. 29, 2018
Receivables [Abstract]  
Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]
Receivables are summarized as follows:
 
2018
 
2017
Customers, trade
$
40,121

 
$
43,683

Other receivables
2,595

 
2,930

Gross receivables
42,716

 
46,613

Less: allowance for doubtful accounts
(174
)
 
(133
)
Receivables, net
$
42,542

 
$
46,480