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Property and Equipment, Net (Tables)
6 Months Ended
Jul. 30, 2011
Property and Equipment, Net [Abstract]  
Property and equipment, net
                 
    July 30, 2011     January 29, 2011  
Property and equipment, at cost
  $ 2,607,711     $ 2,451,414  
Accumulated depreciation and amortization
    (1,411,126 )     (1,306,474 )
 
           
 
               
Property and equipment, net
  $ 1,196,585     $ 1,144,940