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Stock Based Compensation Narrative (Details) (USD $)
3 Months Ended 6 Months Ended
Jul. 28, 2012
Number
Jul. 30, 2011
Jul. 28, 2012
Number
Jul. 30, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Allocated Share-based Compensation Expense $ 340,000 $ 1,026,000 $ 665,000 $ 1,568,000
Document Period End Date Jul. 28, 2012      
Number of Omnibus Stock Plans 2   2  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 1.62 $ 5.27
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value     80,000 1,806,000
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized $ 1,566,000   $ 1,566,000  
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition     1 year  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years  
Minimum [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent     100.00%  
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period     3 years  
2011 Omnibus Incentive Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 3,000,000   3,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 2.20  
2004 Omnibus Incentive Stock Plan [Member]
       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized 4,000,000   4,000,000  
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value     $ 1.70