Annual report pursuant to Section 13 and 15(d)

Income Taxes - Schedule of Reconciliation of Federal Statutory Rate to Effective Tax Rate (Detail)

v2.4.1.9
Income Taxes - Schedule of Reconciliation of Federal Statutory Rate to Effective Tax Rate (Detail)
12 Months Ended
Jan. 31, 2015
Feb. 01, 2014
Feb. 02, 2013
Effective Income Tax Rate Reconciliation, Percent [Abstract]      
Federal statutory rate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate 35.00%us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate
State effective rate, net of federal tax benefit 2.80%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 3.00%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes 3.40%us-gaap_EffectiveIncomeTaxRateReconciliationStateAndLocalIncomeTaxes
Other (0.30%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments 0.10%us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments (0.10%)us-gaap_EffectiveIncomeTaxRateReconciliationOtherAdjustments
Effective tax rate 37.50%us-gaap_EffectiveIncomeTaxRateContinuingOperations 38.10%us-gaap_EffectiveIncomeTaxRateContinuingOperations 38.30%us-gaap_EffectiveIncomeTaxRateContinuingOperations