Consolidated Statements of Operations (USD $) In Thousands, except Share data, unless otherwise specified	12 Months Ended
	Jan. 31, 2015	Feb. 01, 2014	Feb. 02, 2013
Income Statement [Abstract]
Net sales	$ 680,218	$ 535,402	$ 418,825
Cost of goods sold	442,427	347,386	268,989
Gross profit	237,791	188,016	149,836
Selling, general and administrative expenses	160,775	134,279	112,182
Operating income	77,016	53,737	37,654
Interest expense, net	125	1,513	2,374
Loss on debt extinguishment	244	266	1,594
Other income	(12)	0	(408)
Income before income taxes	76,659	51,958	34,094
Income tax expense	28,635	19,816	14,069
Net income	48,024	32,142	20,025
Dividend paid to preferred and unvested restricted shareholders	0	0	(65,403)
Net income attributable to participating securities	(20)	(465)	0
Net income (loss) attributable to common shareholders	$ 48,004	$ 31,677	$ (45,378)
Basic (loss) income per common share (dollars per share)	$ 0.89	$ 0.59	$ (1.28)
Diluted (loss) income per common share (dollars per share)	$ 0.88	$ 0.59	$ (1.28)
Dividends declared and paid per common share (dollars per share)	$ 0	$ 0	$ 2.02
Weighted average shares outstanding:
Basic shares	54,219,801	53,294,805	35,444,200
Diluted shares	54,573,855	53,741,860	35,444,200