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Property and Equipment (Parenthetical) (Detail) (USD $)
In Thousands, unless otherwise specified
Feb. 02, 2014
Feb. 03, 2013
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 2,231,768 $ 2,094,942
New Inventory And Order Management System Currently Under Development
   
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 40,100 $ 39,700