Stock Based Compensation Stock Option Activity (Details) (USD $)	9 Months Ended		0 Months Ended	9 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 03, 2012 2011 Omnibus Incentive Plan [Member]	Oct. 27, 2012 2011 Omnibus Incentive Plan [Member]	Oct. 27, 2012 2004 Omnibus Incentive Stock Plan [Member]	Oct. 27, 2012 2001 Omnibus Stock Plan [Member]	Oct. 27, 2012 Stock Option [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance outstanding at beginning of period				160,000	2,345,000	1,226,000	650,000
Granted				2,225,000	20,000	0	0
Exercised				0	(81,000)	0	0
Forfeited or canceled				(10,000)	(143,000)	(47,000)	(125,000)
Balance outstanding at end of period				2,375,000	2,141,000	1,179,000	525,000
Options exercisable				33,000	2,007,000	1,143,000	270,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Roll Forward]
Balance outstanding at beginning of period, weighted average exercise price				$ 2.25	$ 6.03	$ 6.15	$ 4.30
Granted, weighted average grant date fair value	$ 0.98	$ 4.65	$ 4.00	$ 3.92	$ 1.70	$ 0.00	$ 0.00
Exercised, weighted average exercise price				$ 0.00	$ 1.03	$ 0.00	$ 0.00
Forfeited or canceled, weighted average grant date fair value				$ 1.62	$ 6.80	$ 13.49	$ 5.06
Balance outstanding at end of period, weighted average exercise price				$ 3.81	$ 6.13	$ 5.86	$ 4.12
Options exercisable, weighted average exercise price				$ 2.63	$ 6.03	$ 5.75	$ 3.87