Income Taxes (Details) (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 30, 2011	Dec. 31, 2010
Income Tax Disclosure [Abstract]
Federal	$ 346	$ (116)	$ (2,673)
State	77	715	949
Foreign	72	1,913	4,997
Total Current	495	2,512	3,273
Federal	1,300	2,014	(12,135)
State	212	(399)	(1,776)
Foreign	(3,730)	(812)	(3,823)
Total Deferred	(2,218)	803	(17,734)
Income Tax Expense (Benefit)	$ (1,723)	$ 3,315	$ (14,461)