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Restricted Stock (Details) (USD $)
0 Months Ended 3 Months Ended
Jun. 14, 2012
Nov. 30, 2011
May 04, 2013
Apr. 28, 2012
Feb. 02, 2013
Oct. 03, 2012
Jun. 13, 2012
Employees
Nov. 18, 2011
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation     $ 860,000 $ 991,000        
Unrecognized compensation cost related to non-vested awards     2,561,000          
Award Vesting Period     3 years          
Restricted Stock [Member]
               
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                
Share-based compensation 50,000   249,000 665,000        
Unrecognized compensation cost related to non-vested awards     398,000          
Weighted average remaining contractual term     7 months 6 days          
Restricted stock vested in period, total fair value     783,000 513,000        
Granted   453,000 2,000          
Total grant date fair value           $ 425,000 $ 85,000 $ 816,000
Number of non-management board members granted shares             6  
Non-vested shares outstanding, May 4, 2013     540,000   772,000 300,000