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Restricted Stock Non-Vested Restricted Stock Table (Details) (USD $)
0 Months Ended 1 Months Ended 3 Months Ended 9 Months Ended 12 Months Ended
Jun. 14, 2012
Nov. 30, 2011
Jun. 30, 2011
Apr. 30, 2011
Oct. 27, 2012
Oct. 29, 2011
Oct. 27, 2012
Oct. 29, 2011
Feb. 01, 2014
Oct. 03, 2012
Jun. 13, 2012
Employees
Jun. 15, 2011
Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share-based compensation             $ 2,403,000 $ 3,737,000        
Restricted Stock [Member]
                       
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                        
Share-based compensation $ 50,000       $ 319,000 $ 952,000 $ 1,331,000 $ 1,560,000 $ 274,000      
Number of non-management board members granted shares                     6 7
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]                        
Non-vested outstanding, January 28, 2012             982,000     330,000    
Granted   453,000 50,000 522,000     382,000          
Vested             (298,000)          
Forfeited             (80,000)          
Non-vested outstanding, October 27, 2012         986,000   986,000     330,000    
Share-based Compensation Arrangement by Share based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward]                        
Non-vested outstanding, Weighted Average Grant Date Fair Value, January 28, 2012             $ 4.39          
Granted, Weighted Average Grant Date Fair Value             $ 1.52          
Vested, Weighted Average Grant Date Fair Value             $ 6.52          
Forfeited, Weighted Average Grant Date Fair Value             $ 2.92          
Non-vested outstanding, Weighted Average Grant Date Fair Value, October 27, 2012         $ 2.76   $ 2.76