CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY (DEFICIT) - USD ($) $ in Thousands	Common Stock [Member]	Additional Paid-In Capital [Member]	Accumulated Other Comprehensive Income (Loss) [Member]	Retained Earnings (Accumulated Deficit) [Member]	Treasury Stock [Member]	Total
Balances at Feb. 02, 2019	$ 2	$ 356,422	$ (2,334)	$ (392,537)	$ (243)	$ (38,690)
Balances, shares at Feb. 02, 2019	20,477,813				2,800
Stock-based compensation		21,406				21,406
Issuance of restricted stock, Shares	7,014
Vested and delivered restricted stock units		(7,069)				(7,069)
Vested and delivered restricted stock units, Shares	109,062
Exercise of stock options		27,138				27,138
Exercise of stock options, Shares	643,090
Repurchases of common stock					$ (250,032)	(250,032)
Repurchases of common stock, Shares	(2,167,396)				2,167,396
Retirement of treasury stock		(13,180)		(237,091)	$ 250,271	(250,000)
Retirement of treasury stock, Shares					(2,170,154)
Shares issued in connection with warrant agreements	167,056
Equity component value of convertible note issuance-net		87,070				87,070
Sale of common stock warrant		50,225				50,225
Purchase of convertible note hedge		(91,350)				(91,350)
Conversion of convertible senior notes					$ 4	4
Conversion of convertible senior notes, Shares	42				(42)
Net income				220,375		220,375
Net gains (losses) from foreign currency translation			(426)			(426)
Balances at Feb. 01, 2020	$ 2	430,662	(2,760)	(409,253)		18,651
Balances, shares at Feb. 01, 2020	19,236,681
Stock-based compensation		145,278				145,278
Issuance of restricted stock, Shares	3,192
Vested and delivered restricted stock units		(8,348)				(8,348)
Vested and delivered restricted stock units, Shares	76,602
Exercise of stock options		14,377				14,377
Exercise of stock options, Shares	292,949
Repurchases of common stock					$ (72)	$ (72)
Repurchases of common stock, Shares	(600)				600	0
Retirement of treasury stock		(77)			$ 77	$ (100)
Retirement of treasury stock, Shares					(617)	(600)
Shares issued in connection with warrant agreements	1,386,580
Settlement of convertible senior notes		(315,708)			$ 315,708
Settlement of convertible senior notes, Shares	1,131,645				(1,131,645)
Exercise of call option under bond hedge upon settlement of convertible senior notes		315,713			$ (315,713)
Exercise of call option under bond hedge upon settlement of convertible senior notes (in shares)	(1,131,662)				1,131,662
Net income				271,815		$ 271,815
Net gains (losses) from foreign currency translation			5,325			5,325
Balances at Jan. 30, 2021	$ 2	581,897	2,565	(137,438)		447,026
Balances, shares at Jan. 30, 2021	20,995,387
Stock-based compensation		48,478				48,478
Issuance of restricted stock, Shares	1,260
Vested and delivered restricted stock units		(20,671)				(20,671)
Vested and delivered restricted stock units, Shares	43,320
Exercise of stock options		32,045				$ 32,045
Exercise of stock options, Shares	466,967
Repurchases of common stock, Shares						0
Settlement of convertible senior notes		(901,379)			$ 880,207	$ (21,172)
Settlement of convertible senior notes, Shares	1,377,512				(1,377,479)
Exercise of call option under bond hedge upon settlement of convertible senior notes		880,207			$ (880,207)
Exercise of call option under bond hedge upon settlement of convertible senior notes (in shares)	(1,377,479)				1,377,479
Net income				688,546		688,546
Net gains (losses) from foreign currency translation			(3,975)			(3,975)
Balances at Jan. 29, 2022	$ 2	$ 620,577	$ (1,410)	$ 551,108		$ 1,170,277
Balances, shares at Jan. 29, 2022	21,506,967