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Shareholders' Equity Market Based Restricted Stock (Details) (USD $)
12 Months Ended 0 Months Ended 0 Months Ended 0 Months Ended
Feb. 01, 2014
Feb. 02, 2013
Jan. 28, 2012
Oct. 03, 2012
Restricted Stock [Member]
tranche
Feb. 01, 2014
Restricted Stock [Member]
Nov. 25, 2013
Restricted Stock [Member]
tranche
Feb. 02, 2013
Restricted Stock [Member]
Oct. 03, 2012
Market Based Stock Restricted Stock Awards [Member]
Restricted Stock [Member]
Feb. 01, 2014
Market Based Stock Restricted Stock Awards [Member]
Restricted Stock [Member]
Oct. 03, 2012
Tranche 1 [Member]
Oct. 03, 2012
Tranche 1 [Member]
Restricted Stock [Member]
Oct. 03, 2012
Tranche 2 [Member]
Oct. 03, 2012
Tranche 2 [Member]
Restricted Stock [Member]
Oct. 03, 2012
Tranche 3 [Member]
Oct. 03, 2012
Tranche 3 [Member]
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                              
Non-vested shares outstandings         641,000   772,000   150,000            
Number of tranches       3   3                  
Number of consecutive trading days       20 days                      
Exercise price range, minimum                     $ 6.00   $ 8.00   $ 10.00
Award vesting percentage                     50.00%   25.00%   25.00%
Required holding period               1 year              
Risk Free Interest Rate 1.00%     0.32%                      
Implied volatility rate       78.00%                      
Granted, weighted average grant date fair value $ 3.96 $ 1.03 $ 4.31             $ 0.93 $ 1.48 $ 0.95 $ 1.39 $ 0.95 $ 1.31
Expected Term 6 years 6 years 6 years 2 years 9 months 18 days           15 months 15 months 20 months 20 months 24 months 24 months