CONDENSED CONSOLIDATED STATEMENTS OF INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		9 Months Ended
	Oct. 29, 2016	Oct. 31, 2015	Oct. 29, 2016	Oct. 31, 2015
Income Statement [Abstract]
Net sales	$ 274,524	$ 269,713	$ 766,901	$ 750,302
Cost of sales (including buying, distribution and occupancy costs)	192,514	188,396	542,105	528,022
Gross profit	82,010	81,317	224,796	222,280
Selling, general and administrative expenses	66,558	66,144	185,399	182,200
Operating income	15,452	15,173	39,397	40,080
Interest income	(1)	(2)	(6)	(36)
Interest expense	43	42	127	126
Income before income taxes	15,410	15,133	39,276	39,990
Income tax expense	5,738	5,747	14,839	15,391
Net income	$ 9,672	$ 9,386	$ 24,437	$ 24,599
Net income per share:
Basic	$ 0.54	$ 0.47	$ 1.31	$ 1.23
Diluted	$ 0.54	$ 0.47	$ 1.31	$ 1.23
Weighted average shares:
Basic	17,609	19,444	18,220	19,542
Diluted	17,614	19,452	18,225	19,553
Cash dividends declared per share	$ 0.07	$ 0.065	$ 0.205	$ 0.19