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Earnings Per Share - Additional Information (Detail)
12 Months Ended
Feb. 02, 2013
Jan. 31, 2015
Feb. 01, 2014
Nov. 21, 2013
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Common stock issued   36,748,245us-gaap_CommonStockSharesIssued 36,723,727us-gaap_CommonStockSharesIssued 10,000,000us-gaap_CommonStockSharesIssued
Number of anti-dilutive securities 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount      
Equity Option [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Number of anti-dilutive securities 0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
123,959us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember
0us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount
/ us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis
= us-gaap_StockOptionMember