Income Taxes Schedule of Components of income Tax Expense (Benefit) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Jul. 01, 2012	Jul. 03, 2011	Jul. 01, 2012	Jul. 03, 2011
Income Taxes [Abstract]
Current	$ 1,115	$ (1,506)	$ (174)	$ (4,223)
Deferred	(3,897)	2,182	(2,099)	2,182
Income Tax Expense (Benefit)	$ (2,782)	$ 676	$ (2,273)	$ (2,041)