Earnings Per Share - Components of Basic and Diluted Net Income Per Share (Detail) - USD ($) $ / shares in Units, shares in Thousands, $ 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
Earnings Per Share [Abstract]
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
Weighted-average number of common shares (basic) (in shares)									38,795	40,568	40,599
Dilutive effect of stock-based awards (in shares)									66	64	49
Weighted-average number of common shares (diluted) (in shares)									38,861	40,632	40,648
Earnings 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
Earnings 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