Annual report pursuant to Section 13 and 15(d)

Property and Equipment - Additional Information (Detail)

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Property and Equipment - Additional Information (Detail) (USD $)
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Interest Cost Capitalized And Depreciation And Amortization Expenses For Property, Plant and Equipment [Line Items]    
Capitalized interest $ 0 $ 0