Components of Prepaid Expenses and Other Current Assets (Detail) (USD $) In Thousands, unless otherwise specified	Jan. 31, 2015	Feb. 01, 2014
Prepaid Expenses And Other Current Assets [Line Items]
Prepaid rent	$ 6,596us-gaap_PrepaidRent	$ 6,204us-gaap_PrepaidRent
Deferred taxes	3,594	3,379
Prepaid maintenance agreements	753us-gaap_OtherPrepaidExpenseCurrent	892us-gaap_OtherPrepaidExpenseCurrent
Prepaid insurance	704us-gaap_PrepaidInsurance	532us-gaap_PrepaidInsurance
Other	702us-gaap_OtherAssetsCurrent	765us-gaap_OtherAssetsCurrent
Total prepaid expenses and other current assets	$ 12,349	$ 11,772

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards, net of deferred tax liability attributable to taxable temporary differences expected to be realized or consumed within one year or operating cycle, if longer.

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Aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet. Current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer).

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Amount of asset related to consideration paid in advance for other costs that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for costs that provide economic benefits in future periods, and amount of other assets that are expected to be realized or consumed within one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for insurance that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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Amount of asset related to consideration paid in advance for rent that provides economic benefits within a future period of one year or the normal operating cycle, if longer.

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