Stock Based Compensation Market Based Stock Option Awards (Details) (USD $)	3 Months Ended		9 Months Ended		0 Months Ended	9 Months Ended		0 Months Ended	12 Months Ended		0 Months Ended					3 Months Ended		9 Months Ended		12 Months Ended	0 Months Ended
	Oct. 27, 2012	Oct. 29, 2011	Oct. 27, 2012	Oct. 29, 2011	Oct. 03, 2012 2011 Omnibus Incentive Plan [Member]	Oct. 27, 2012 2011 Omnibus Incentive Plan [Member]	Jan. 28, 2012 2011 Omnibus Incentive Plan [Member]	Oct. 03, 2012 Market Based Stock Options Awards [Member] tranche	Feb. 01, 2014 Market Based Stock Options Awards [Member]	Oct. 27, 2012 Market Based Stock Options Awards [Member]	Oct. 03, 2012 Tranche 1 [Member]	Oct. 03, 2012 Tranche 2 [Member]	Oct. 03, 2012 Tranche 3 [Member]	Oct. 03, 2012 Restricted Stock [Member]	Jun. 14, 2012 Restricted Stock [Member]	Oct. 27, 2012 Restricted Stock [Member]	Oct. 29, 2011 Restricted Stock [Member]	Oct. 27, 2012 Restricted Stock [Member]	Oct. 29, 2011 Restricted Stock [Member]	Feb. 01, 2014 Restricted Stock [Member]	Oct. 03, 2012 Restricted Stock [Member] Tranche 1 [Member]	Oct. 03, 2012 Restricted Stock [Member] Tranche 2 [Member]	Oct. 03, 2012 Restricted Stock [Member] Tranche 3 [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based compensation			$ 2,403,000	$ 3,737,000					$ 1,280,000						$ 50,000	$ 319,000	$ 952,000	$ 1,331,000	$ 1,560,000	$ 274,000
Allocated Share-based Compensation Expense	406,000	609,000	1,072,000	2,177,000
Granted						2,225,000		2,125,000
Award vesting rights											.5	.25	.25
Stock Option Plans, Exercise Price Range, Lower Range Limit								$ 6.00				$ 8.00	$ 10.00
Risk Free Interest Rate			1.00%		0.38%									0.32%
Weighted average volatility rate					78.00%
Required Stock Option Holding Period					1 year
Options outstanding						2,375,000	160,000			2,125,000
Granted, weighted average grant date fair value			$ 0.98	$ 4.65	$ 4.00	$ 3.92					$ 0.93	$ 0.95	$ 0.95								$ 1.48	$ 1.39	$ 1.31
Number of tranches								3
Number of consecutive trading days					20 days
Expected Term			6 years	6 years	3 years 3 months 18 days						15 months	20 months	24 months	2 years 9 months 18 days							15 months	20 months	24 months
Grant date fair value										$ 1,998,000
Document Period End Date			Oct. 27, 2012