Unaudited Condensed Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Apr. 30, 2022	May 01, 2021
Income Statement [Abstract]
Net sales	$ 424,051	$ 506,861
Cost of goods sold	$ 267,218	$ 296,898
Cost of goods sold, as a percent to sales	63.00%	58.60%
Gross margin	$ 156,833	$ 209,963
Gross margin, as a percent to sales	37.00%	41.40%
Store operating, selling and administrative expenses	$ 95,596	$ 91,739
Store operating, selling and administrative expenses, as a percent to sales	22.50%	18.10%
Depreciation and amortization	$ 10,518	$ 8,074
Depreciation and amortization, as a percent to sales	2.50%	1.60%
Operating income	$ 50,719	$ 110,150
Operating income, as a percent to sales	12.00%	21.70%
Interest expense, net	$ 72	$ 99
Interest expense (income), net, as a percent to sales	0.00%	0.00%
Income before provision for income taxes	$ 50,647	$ 110,051
Income before provision for income taxes, as a percent to sales	11.90%	21.70%
Provision for income taxes	$ 11,300	$ 25,285
Provision for income taxes, as a percent to sales	2.70%	5.00%
Net income	$ 39,347	$ 84,766
Net income, as a percent to sales	9.30%	16.70%
Basic earnings per share (in dollars per share)	$ 2.98	$ 5.19
Diluted earnings per share (in dollars per share)	$ 2.89	$ 5.00
Weighted-average shares:
Basic (in shares)	13,224	16,325
Diluted (in shares)	13,612	16,966