Quarterly Financial Information (Unaudited) - Schedule of Selected Quarterly Financial Data (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended								12 Months Ended
	Jan. 30, 2016	Oct. 31, 2015	Aug. 01, 2015	May. 02, 2015	Jan. 31, 2015	Nov. 01, 2014	Aug. 02, 2014	May. 03, 2014	Jan. 30, 2016	Jan. 31, 2015	Feb. 01, 2014
Quarterly Financial Information Disclosure [Abstract]
Net revenues	$ 154,096	$ 126,674	$ 120,724	$ 101,104	$ 152,629	$ 125,204	$ 118,960	$ 112,197	$ 502,598	$ 508,990	$ 530,896
Gross profit	89,643	73,298	66,554	51,694	80,042	65,768	63,444	59,755	281,189	269,009	292,212
Operating (loss) income	25,418	16,789	9,486	(4,971)	25,933	13,604	13,246	11,287	46,722	64,070	95,757
Income from continuing operations	15,711	10,268	5,715	(4,136)	17,343	8,721	7,894	6,877	27,558	40,835	60,129
Loss from discontinued operations, net of taxes	0	0	0	0	0	(1,780)	(296)	(310)	0	(2,386)	(1,317)
Net income	$ 15,711	$ 10,268	$ 5,715	$ (4,136)	$ 17,343	$ 6,941	$ 7,598	$ 6,567	$ 27,558	$ 38,449	$ 58,812
Net income (loss) per share - basic
Continuing operations, basic (in dollars per share)	$ 0.41	$ 0.27	$ 0.15	$ (0.10)	$ 0.43	$ 0.21	$ 0.19	$ 0.17	$ 0.71	$ 1.01	$ 1.48
Discontinued operations, basic (in dollars per share)	0.00	0.00	0.00	0.00	0.00	(0.04)	(0.01)	(0.01)	0.00	(0.06)	(0.03)
Net income per share, Basic (in dollars per share)	0.41	0.27	0.15	(0.10)	0.43	0.17	0.19	0.16	0.71	0.95	1.45
Net income (loss) per share - diluted
Continuing operations, diluted (in dollars per share)	0.41	0.27	0.15	(0.10)	0.43	0.21	0.19	0.17	0.71	1.00	1.48
Discontinued operations, diluted (in dollars per share)	0.00	0.00	0.00	0.00	0.00	(0.04)	(0.01)	(0.01)	0.00	(0.06)	(0.03)
Net income per share, Diluted (in dollars per share)	$ 0.41	$ 0.27	$ 0.15	$ (0.10)	$ 0.43	$ 0.17	$ 0.19	$ 0.16	$ 0.71	$ 0.95	$ 1.45
Revenue recorded related to gift card breakage	$ 300				$ 1,400				$ 300	$ 1,400