Income Taxes (Details 1) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 28, 2013	Dec. 29, 2012	Dec. 31, 2011
Current:
Federal	$ 119	$ (2,403)	$ 11,059
State	5	(492)	1,048
Foreign	933	270	354
Total current	1,057	(2,625)	12,461
Deferred:
Federal	(10,686)	1,753	2,366
State	(325)	379	(158)
Foreign	535	647	1,230
Total deferred	(10,476)	2,779	3,438
Provision (benefit) for income taxes	$ (9,419)	$ 154	$ 15,899