Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Current tax expense (benefit):
Federal		$ (415)	$ 413
State	628	1,228	1,560
Foreign	1,286	1,576	627
Total	1,914	2,389	2,600
Deferred tax (benefit) expense:
Federal	(3,773)	1,454	6,215
State	128	(490)	934
Foreign	(100)	(251)	(52)
Total	(3,745)	713	7,097
Income tax (benefit) expense	$ (1,831)	$ 3,102	$ 9,697