Condensed Consolidated Statements of Comprehensive Income (Loss) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 02, 2014	Aug. 03, 2013	Aug. 02, 2014	Aug. 03, 2013
Statement Of Income And Comprehensive Income [Abstract]
Net income (loss)	$ 27,253	$ (17,835)	$ 29,048	$ (17,996)
Foreign currency translation adjustment-net of tax	11	(42)	75	(73)
Total comprehensive income (loss)	$ 27,264	$ (17,877)	$ 29,123	$ (18,069)