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Dividends - Additional Information (Detail) (USD $)
12 Months Ended
Feb. 02, 2013
Jan. 28, 2012
Jan. 29, 2011
Dividends Payable [Line Items]      
Dividends paid $ 1,711,000 $ 297,917,000 $ 251,000
Cash dividend declared   300,000,000  
Cash dividend declared, remaining amount   2,100,000  
Cash dividend declared, forfeited $ 400,000