Accounts Receivable (Tables)

6 Months Ended

Jun. 28, 2015

Receivables [Abstract]

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

(Dollars in thousands)
	June 28, 2015			December 28, 2014
Trade receivables	$	93,950		$	96,177
Other receivables	9,563			6,830
	103,513			103,007
Allowance for doubtful accounts	(1,071		)	(514		)
Accounts receivable, net	$	102,442		$	102,493