Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended		6 Months Ended
	Jul. 31, 2021	Aug. 01, 2020	Jul. 31, 2021	Aug. 01, 2020
Income Statement [Abstract]
Net sales	$ 268,666	$ 250,392	$ 547,735	$ 388,164
Cost of goods sold	163,701	159,542	339,602	273,578
Gross profit	104,965	90,850	208,133	114,586
Selling, general and administrative expenses	73,011	57,738	141,900	109,322
Operating profit	31,954	33,112	66,233	5,264
Interest income, net	965	794	1,940	1,868
Other (expense) income, net	(151)	392	103	498
Earnings before income taxes	32,768	34,298	68,276	7,630
Provision for income taxes	8,770	8,906	17,893	3,339
Net income	$ 23,998	$ 25,392	$ 50,383	$ 4,291
Basic earnings per share	$ 0.95	$ 1.02	$ 2.00	$ 0.17
Diluted earnings per share	$ 0.94	$ 1.01	$ 1.96	$ 0.17
Weighted average shares used in computation of earnings per share:
Basic	25,274	24,837	25,221	24,938
Diluted	25,651	25,128	25,675	25,277