Discontinued Operations (Details) (USD $)	3 Months Ended			6 Months Ended
	Jul. 03, 2011	Mar. 21, 2011	Jul. 04, 2010	Jul. 03, 2011	Jul. 04, 2010
Discontinued Operations
Net revenues			$ 9,505,000	$ 9,086,000	$ 19,790,000
(Loss) Income from discontinued operations before income taxes			(381,000)	1,278,000	620,000
(Loss) Gain from disposal of discontinued operations before income taxes	(832,000)			28,949,000
Income tax provision				4,311,000
(Loss) Income from discontinued operations	(832,000)		(381,000)	25,916,000	620,000
Cash received from sale of business		$ 40,200,000