Quarterly Financial Data - Schedule of Quarterly Financial Data (Detail) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended								12 Months Ended
	Feb. 01, 2014	Nov. 02, 2013	Aug. 03, 2013	May 04, 2013	Feb. 02, 2013	Oct. 27, 2012	Jul. 28, 2012	Apr. 28, 2012	Feb. 01, 2014	Feb. 02, 2013	Jan. 28, 2012
Quarterly Financial Information Disclosure [Abstract]
Net sales	$ 218,591	$ 202,795	$ 210,054	$ 166,352	$ 222,829	$ 210,701	$ 192,838	$ 158,377	$ 797,792	$ 784,745	$ 759,129
Gross margin	43,704	51,173	62,586	41,781	47,146	59,218	52,848	37,134	199,244	196,346	166,859
(Loss) income from continuing operations	(22,033)	17,715	(18,604)	(24,054)	(22,220)	3,133	(18,278)	(15,217)	(46,976)	(52,582)	(81,163)
Loss from discontinued operations, net of tax effects	(504)	(473)	(641)	(127)	2,359	(2,185)	740	(406)	(1,745)	508	(25,260)
Net loss	$ (22,537)	$ 17,242	$ (19,245)	$ (24,181)	$ (19,861)	$ 948	$ (17,538)	$ (15,623)	$ (48,721)	$ (52,074)	$ (106,423)
(Loss) income per share from continuing operations:
Basic (in dollars per share)	$ (0.32)	$ 0.26	$ (0.27)	$ (0.35)	$ (0.32)	$ 0.04	$ (0.27)	$ (0.22)
Diluted (in dollars per share)	$ (0.32)	$ 0.24	$ (0.27)	$ (0.35)	$ (0.32)	$ 0.04	$ (0.27)	$ (0.22)
Loss per share from discontinued operations:
Basic (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.01)	$ 0.00	$ 0.03	$ (0.03)	$ 0.01	$ (0.01)
Diluted (in dollars per share)	$ (0.01)	$ (0.01)	$ (0.01)	$ 0.00	$ 0.03	$ (0.03)	$ 0.01	$ (0.01)
Net (loss) income per share:
Basic (in dollars per share)	$ (0.33)	$ 0.25	$ (0.28)	$ (0.35)	$ (0.29)	$ 0.01	$ (0.26)	$ (0.23)
Diluted (in dollars per share)	$ (0.33)	$ 0.23	$ (0.28)	$ (0.35)	$ (0.29)	$ 0.01	$ (0.26)	$ (0.23)
Weighted-average shares outstanding:
Basic (in shares)	68,586	68,568	68,464	68,242	68,005	67,914	67,738	67,583
Diluted (in shares)	68,586	75,515	68,464	68,242	68,005	71,360	67,738	67,583