CONSOLIDATED STATEMENTS OF OPERATIONS AND COMPREHENSIVE INCOME - USD ($) shares in Thousands, $ in Thousands	3 Months Ended								12 Months Ended
	Feb. 03, 2019	Oct. 28, 2018	Jul. 29, 2018	Apr. 29, 2018	Jan. 28, 2018	Oct. 29, 2017	Jul. 30, 2017	Apr. 30, 2017	Feb. 03, 2019	Jan. 28, 2018	Jan. 29, 2017
Income Statement [Abstract]
Net revenue	$ 1,167,458	$ 747,655	$ 723,500	$ 649,706	$ 928,802	$ 619,018	$ 581,054	$ 520,307	$ 3,288,319	$ 2,649,181	$ 2,344,392
Cost of goods sold	498,875	340,878	327,306	304,973	406,291	297,056	283,632	263,412	1,472,032	1,250,391	1,144,775
Gross profit	668,583	406,777	396,194	344,733	522,511	321,962	297,422	256,895	1,816,287	1,398,790	1,199,617
Selling, general and administrative expenses	337,163	270,874	261,986	240,428	264,232	215,367	225,524	199,141	1,110,451	904,264	778,465
Asset impairment and restructuring costs	0	0	0	0	2,001	21,007	3,186	12,331	0	38,525	0
Income from operations	331,420	135,903	134,208	104,305	256,278	85,588	68,712	45,423	705,836	456,001	421,152
Other income (expense), net	2,861	2,044	1,591	2,918	1,226	1,052	812	907	9,414	3,997	1,577
Income before income tax expense	334,281	137,947	135,799	107,223	257,504	86,640	69,524	46,330	715,250	459,998	422,729
Income tax expense	115,816	43,534	40,029	32,070	137,743	27,696	20,813	15,084	231,449	201,336	119,348
Net income	218,465	94,413	95,770	75,153	119,761	58,944	48,711	31,246	483,801	258,662	303,381
Other comprehensive income (loss), net of tax:
Foreign currency translation adjustment	(5,346)	(7,318)	(18,249)	(42,972)	48,516	(31,018)	72,854	(31,775)	(73,885)	58,577	36,703
Comprehensive income	$ 213,119	$ 87,095	$ 77,521	$ 32,181	$ 168,277	$ 27,926	$ 121,565	$ (529)	$ 409,916	$ 317,239	$ 340,084
Basic earnings per share (in dollars per share)	$ 1.66	$ 0.71	$ 0.71	$ 0.55	$ 0.88	$ 0.44	$ 0.36	$ 0.23	$ 3.63	$ 1.90	$ 2.21
Diluted earnings per share (in dollars per share)	$ 1.65	$ 0.71	$ 0.71	$ 0.55	$ 0.88	$ 0.43	$ 0.36	$ 0.23	$ 3.61	$ 1.90	$ 2.21
Basic weighted-average number of shares outstanding (in shares)									133,413	135,988	137,086
Diluted weighted-average number of shares outstanding (in shares)									133,971	136,198	137,302