Accounts Receivable (Tables)

3 Months Ended

Mar. 27, 2016

Receivables [Abstract]

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

(Dollars in thousands)
	March 27, 2016			December 27, 2015
Trade receivables	$	103,345		$	103,202
Other receivables	10,787			10,253
	114,132			113,455
Allowance for doubtful accounts	(1,227		)	(867		)
Accounts receivable, net	$	112,905		$	112,588