Quarterly Financial Information (Detail) (USD $) In Thousands, unless otherwise specified	0 Months Ended	3 Months Ended									8 Months Ended	12 Months Ended
	Feb. 03, 2013	Feb. 03, 2013		Oct. 28, 2012	Jul. 29, 2012	Apr. 29, 2012	Jan. 29, 2012	Oct. 30, 2011	Jul. 31, 2011	May 01, 2011	Jan. 30, 2011	Feb. 03, 2013	Jan. 29, 2012
Quarterly Financial Information [Line Items]
Total revenues	$ 10,355	$ 165,586	[1]	$ 131,066	$ 147,941	$ 163,474	$ 143,956	$ 120,322	$ 128,664	$ 148,603	$ 343,533	$ 608,067	$ 541,545
Income (loss) before provision (benefit) for income taxes		6,140	[1]	(10,541)	315	14,725	3,942	(7,571)	(4,806)	10,069	(7,708)	10,639	1,634
Net income (loss)		$ 7,947	[1]	$ (1,621)	$ 687	$ 10,984	$ 1,802	$ (4,447)	$ (3,118)	$ 6,718	$ (5,157)	$ 17,997	$ 955

[1] Our fiscal 2012 year consisted of 53 weeks. Each quarterly period has 13 weeks, except the fourth quarterly period ended February 3, 2013, which consists of 14 weeks. We have estimated the revenues during the 53rd week of fiscal 2012 to be $10,355.