Income Taxes Schedule of Income Tax Expense (Benefit) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended				12 Months Ended
	Oct. 01, 2011	Jul. 02, 2011	Dec. 31, 2010	Oct. 02, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current:
Federal					$ (7,138)	$ 634	$ 499
State					3,082	901	217
Foreign					278	(861)	(311)
Current Income Tax Expense (Benefit)					(3,778)	674	405
Deferred:
Federal					13,974	(66,408)	0
State					219	(8,374)	0
Foreign					407	(200)	0
Deferred Income Tax Expense (Benefit)					14,600	(74,982)	0
Income tax expense (benefit)	$ (5,811)	$ (2,183)	$ (4,436)	$ (73,367)	$ 10,822	$ (74,308)	$ 405