CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Unaudited) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 04, 2018	Jul. 29, 2017	Aug. 04, 2018	Jul. 29, 2017
Income Statement [Abstract]
Net sales	$ 268,366	$ 235,064	$ 525,811	$ 488,453
Cost of sales (including buying, distribution and occupancy costs)	184,585	166,837	364,703	348,070
Gross profit	83,781	68,227	161,108	140,383
Selling, general and administrative expenses	68,850	61,803	128,861	120,732
Operating income	14,931	6,424	32,247	19,651
Interest income	(117)	(1)	(119)	(2)
Interest expense	36	149	76	191
Income before income taxes	15,012	6,276	32,290	19,462
Income tax expense	3,237	2,380	7,560	7,335
Net income	$ 11,775	$ 3,896	$ 24,730	$ 12,127
Net income per share:
Basic	$ 0.77	$ 0.24	$ 1.60	$ 0.73
Diluted	$ 0.76	$ 0.24	$ 1.59	$ 0.73
Weighted average shares:
Basic	15,249	16,091	15,387	16,453
Diluted	15,367	16,094	15,446	16,457
Cash dividends declared per share	$ 0.080	$ 0.075	$ 0.155	$ 0.145