CONSOLIDATED STATEMENT OF CHANGES IN SHAREHOLDERS' EQUITY - USD ($) $ in Thousands	Total	Common Stock [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Accumulated Deficit [Member]
Beginning Balance at Feb. 03, 2013	$ 246,432	$ 354,068	$ (338)	$ (107,298)
Balance, shares at Feb. 03, 2013		65,356,000
Comprehensive income	34,594		$ 338	$ 34,256
Exercise of stock options	$ 2,517	$ 2,517
Exercise of stock options, shares	459,500	460,000
Share-based compensation	$ 6,452	$ 6,452
Share-based compensation, shares		445,000
Repurchase of common shares	$ (24,902)	$ (24,902)
Repurchase of common shares, shares	(1,321,000)	(1,321,000)
Ending Balance at Feb. 02, 2014	$ 265,093	$ 338,135		$ (73,042)
Balance, shares at Feb. 02, 2014		64,940,000
Comprehensive income	30,060			$ 30,060
Write-off of deferred tax assets related to the expiration of unexercised stock warrants	(56)	$ (56)
Exercise of stock options	$ 10,259	$ 10,259
Exercise of stock options, shares	1,929,600	1,930,000
Share-based compensation	$ 4,466	$ 4,466
Share-based compensation, shares		446,000
Repurchase of common shares	$ (42,036)	$ (42,036)
Repurchase of common shares, shares	(2,390,000)	(2,390,000)
Ending Balance at Feb. 01, 2015	$ 267,786	$ 310,768		$ (42,982)
Balance, shares at Feb. 01, 2015	64,926,000	64,926,000
Comprehensive income	$ 32,398			$ 32,398
Exercise of stock options	$ 1,933	$ 1,933
Exercise of stock options, shares	349,200	349,000
Share-based compensation	$ 5,584	$ 5,584
Share-based compensation, shares		666,000
Repurchase of common shares	$ (51,561)	$ (51,561)
Repurchase of common shares, shares	(2,872,000)	(2,872,000)
Ending Balance at Jan. 31, 2016	$ 256,140	$ 266,724		$ (10,584)
Balance, shares at Jan. 31, 2016	63,069,000	63,069,000