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Retail Store Closures and Office Restructuring - Additional Information (Detail) (USD $)
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Feb. 01, 2014
Jul. 31, 2011
Store
Restructuring Cost and Reserve [Line Items]        
Restructuring related costs   $ 1,600,000    
Liabilities existing under lease agreements     2,196,000  
Number of retail store locations closed       4
Exit related costs   3,200,000    
Income related to a change in estimate of liabilities related to closed stores 400,000      
Restructuring Costs [Member]
       
Restructuring Cost and Reserve [Line Items]        
Liabilities related to office restructuring 0   0  
Liabilities existing under lease agreements     0  
Retail Store Closures [Member]
       
Restructuring Cost and Reserve [Line Items]        
Liabilities related to office restructuring     0  
Liabilities existing under lease agreements     $ 0