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Earnings Per Share - Additional Information (Detail)
12 Months Ended
Feb. 01, 2015
Feb. 02, 2014
Feb. 03, 2013
Earnings Per Share [Line Items]      
Stock-based awards excluded from the computation of diluted earnings per share 21,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 1,313,000us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount