(13) Supplemental Cash Flow Information (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 29, 2013	Sep. 30, 2012
Supplemental Cash Flow Information [Abstract]
Cash paid for interest	$ 701	$ 725
Cash paid for taxes	713	1,488
Accrued property and equipment purchases	861	72
Reclassification of additional-paid-in-capital to payroll taxes payable for performance shares issued	$ 641	$ 1,189