UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Nov. 01, 2014	Nov. 02, 2013	Nov. 01, 2014	Nov. 02, 2013
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF OPERATIONS [Abstract]
Net sales	$ 218,321	$ 207,971	$ 674,148	$ 634,198
Cost of goods sold, including wholesale, logistics and store occupancy costs	139,171	131,483	432,394	402,907
Gross profit	79,150	76,488	241,754	231,291
Store operating, selling and administrative expenses	48,202	45,496	143,778	134,251
Depreciation and amortization	4,136	3,549	11,777	10,193
Operating income	26,812	27,443	86,199	86,847
Interest expense, net	73	55	216	142
Income before provision for income taxes	26,739	27,388	85,983	86,705
Provision for income taxes	9,849	10,138	32,324	32,700
Net income	$ 16,890	$ 17,250	$ 53,659	$ 54,005
Earnings per share:
Basic (in dollars per share)	$ 0.67	$ 0.67	$ 2.10	$ 2.09
Diluted (in dollars per share)	$ 0.67	$ 0.66	$ 2.08	$ 2.05
Weighted average shares outstanding:
Basic (in dollars per share)	25,111	25,823	25,504	25,893
Diluted (in dollars per share)	25,336	26,282	25,758	26,309