Description of the Business (Detail)
3 Months Ended
Apr. 28, 2012
Apr. 30, 2011
Product Information [Line Items]    
Percentage of net sales 100.00% 100.00%
Denims [Member]
   
Product Information [Line Items]    
Percentage of net sales 44.70% 44.60%
Tops (including sweaters) [Member]
   
Product Information [Line Items]    
Percentage of net sales 30.20% 31.30%
Sportswear / Fashions [Member]
   
Product Information [Line Items]    
Percentage of net sales 10.70% 9.40%
Accessories [Member]
   
Product Information [Line Items]    
Percentage of net sales 7.00% 7.70%
Footwear [Member]
   
Product Information [Line Items]    
Percentage of net sales 5.60% 5.40%
Casual bottoms [Member]
   
Product Information [Line Items]    
Percentage of net sales 0.90% 0.70%
Outerwear [Member]
   
Product Information [Line Items]    
Percentage of net sales 0.80% 0.70%
Other [Member]
   
Product Information [Line Items]    
Percentage of net sales 0.10% 0.20%