CONDENSED CONSOLIDATED STATEMENTS OF INCOME (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
CONDENSED CONSOLIDATED STATEMENTS OF INCOME [Abstract]
Net sales	$ 254,687	$ 235,770	$ 712,530	$ 684,474
Cost of sales (including buying, distribution and occupancy costs)	177,922	164,759	503,964	482,339
Gross profit	76,765	71,011	208,566	202,135
Selling, general and administrative expenses	58,973	53,196	171,301	159,516
Operating income	17,792	17,815	37,265	42,619
Interest income	(2)	(3)	(11)	(8)
Interest expense	41	41	124	132
Income before income taxes	17,753	17,777	37,152	42,495
Income tax expense	6,936	6,861	14,600	16,222
Net income	$ 10,817	$ 10,916	$ 22,552	$ 26,273
Net income per share:
Basic	$ 0.54	$ 0.54	$ 1.12	$ 1.30
Diluted	$ 0.54	$ 0.54	$ 1.12	$ 1.29
Weighted average shares:
Basic	19,716	19,942	19,844	19,918
Diluted	19,729	19,962	19,859	19,939
Cash dividends declared per share	$ 0.06	$ 0.06	$ 0.18	$ 0.18