Condensed Consolidated Statements of Operations (Unaudited) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Aug. 03, 2013	Jul. 28, 2012	Aug. 03, 2013	Jul. 28, 2012
Income Statement [Abstract]
Net sales	$ 137,249	$ 135,261	$ 277,694	$ 283,206
Cost of sales	96,597	104,459	194,811	208,801
Gross margin	40,652	30,802	82,883	74,405
Selling, general, and administrative expenses	39,412	41,372	76,849	81,810
Asset impairment	262	8,973	1,858	12,579
Operating income (loss)	978	(19,543)	4,176	(19,984)
Interest income	53	38	101	76
Interest expense	(54)	(46)	(108)	(94)
Interest expense, net	(1)	(8)	(7)	(18)
Income (loss) before provision (benefit) for income taxes	977	(19,551)	4,169	(20,002)
Provision (benefit) for income taxes	19	(7,182)	101	(7,360)
Net income (loss)	$ 958	$ (12,369)	$ 4,068	$ (12,642)
Net income (loss) per share, basic (in dollars per share)	$ 0.01	$ (0.14)	$ 0.05	$ (0.14)
Net income (loss) per share, diluted (in dollars per share)	$ 0.01	$ (0.14)	$ 0.05	$ (0.14)
Weighted-average shares outstanding, basic (in shares)	85,800,626	88,585,063	87,178,655	88,536,020
Weighted-average shares outstanding, diluted (in shares)	85,975,029	88,585,063	87,243,412	88,536,020