CONDENSED CONSOLIDATED STATEMENTS OF INCOME Unaudited - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 28, 2017	Oct. 29, 2016	Oct. 28, 2017	Oct. 29, 2016
Income Statement [Abstract]
Net sales	$ 287,469	$ 274,524	$ 775,922	$ 766,901
Cost of sales (including buying, distribution and occupancy costs)	201,802	192,514	549,872	542,105
Gross profit	85,667	82,010	226,050	224,796
Selling, general and administrative expenses	67,787	66,558	188,519	185,399
Operating income	17,880	15,452	37,531	39,397
Interest income	(1)	(1)	(3)	(6)
Interest expense	57	43	248	127
Income before income taxes	17,824	15,410	37,286	39,276
Income tax expense	7,127	5,738	14,462	14,839
Net income	$ 10,697	$ 9,672	$ 22,824	$ 24,437
Net income per share:
Basic	$ 0.66	$ 0.54	$ 1.38	$ 1.31
Diluted	$ 0.66	$ 0.54	$ 1.38	$ 1.31
Weighted average shares:
Basic	15,957	17,609	16,287	18,220
Diluted	15,966	17,614	16,293	18,225
Cash dividends declared per share	$ 0.075	$ 0.07	$ 0.22	$ 0.205