Condensed Consolidated Statements of Income - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Aug. 03, 2019	Aug. 04, 2018	Aug. 03, 2019	Aug. 04, 2018
Income Statement [Abstract]
Net revenues	$ 706,514	$ 640,798	$ 1,304,935	$ 1,198,204
Cost of goods sold	411,556	372,454	777,163	720,527
Gross profit	294,958	268,344	527,772	477,677
Selling, general and administrative expenses	190,977	186,521	355,158	347,707
Income from operations	103,981	81,823	172,614	129,970
Other expenses
Interest expense-net	24,513	15,467	45,631	30,565
(Gain) loss on extinguishment of debt	(954)	917	(954)	917
Total other expenses	23,559	16,384	44,677	31,482
Income before income taxes	80,422	65,439	127,937	98,488
Income tax expense	16,665	2,533	28,458	10,121
Net income	$ 63,757	$ 62,906	$ 99,479	$ 88,367
Weighted-average shares used in computing basic net income per share	18,465,876	21,925,702	19,221,367	21,735,364
Basic net income per share	$ 3.45	$ 2.87	$ 5.18	$ 4.07
Weighted-average shares used in computing diluted net income per share	22,324,112	27,496,561	23,629,050	26,363,395
Diluted net income per share	$ 2.86	$ 2.29	$ 4.21	$ 3.35