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Share Repurchase - Additional Information (Detail) (USD $)
In Millions, except Share data, unless otherwise specified
12 Months Ended
Feb. 02, 2013
Stockholders Equity Note [Line Items]  
Stock repurchased during period, shares 2,535,370
Stock repurchased during period, value $ 25
Stock Repurchased During Period, Average Price $ 9.86