CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) (USD $) In Thousands, unless otherwise specified	3 Months Ended
May 02, 2015	May 03, 2014
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 2,535us-gaap_NetIncomeLoss	$ 7,710us-gaap_NetIncomeLoss
Foreign currency translation adjustments	(3)	6
Comprehensive income	$ 2,532us-gaap_ComprehensiveIncomeNetOfTax	$ 7,716us-gaap_ComprehensiveIncomeNetOfTax

The portion of profit or loss for the period, net of income taxes, which is attributable to the parent.

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Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration