Receivables, Net (Tables)

3 Months Ended

Mar. 31, 2018

Receivables [Abstract]

Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block]

Receivables are summarized as follows:

	March 31, 2018			December 30, 2017
Customers, trade	$	45,286		$	43,683
Other receivables	2,768			2,930
Gross receivables	48,054			46,613
Less: allowance for doubtful accounts	(171		)	(133		)
Receivables, net	$	47,883		$	46,480