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Segment Reporting - Additional Information (Detail)
12 Months Ended
Jan. 31, 2014
Segment
Store
Brand
Jan. 31, 2013
Jan. 31, 2012
Segment Reporting Information [Line Items]      
Number of stores 511 476  
Number of department and specialty retailers 1,400    
Percentage of sales that no customer constitutes 10.00%    
Retail Operations
     
Segment Reporting Information [Line Items]      
Number of reporting segments 2    
Number of brands 5    
Number of stores 511    
Percentage of net sales 94.00% 94.00% 94.00%