CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) $ in Thousands	Mezzanine Equity	Common Stock	Additional Paid-In Capital Impact of adoption, adjustment	Additional Paid-In Capital	Accumulated Other Comprehensive Income (Loss)	Retained Earnings (Accumulated Deficit) Impact of adoption, adjustment	Retained Earnings (Accumulated Deficit)	Treasury Stock	Impact of adoption, adjustment	Total
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				25,289						25,289
Issuance of restricted stock, Shares		1,260
Vested and delivered restricted stock units				(18,648)						(18,648)
Vested and delivered restricted stock units, Shares		37,698
Exercise of stock options				25,979						25,979
Exercise of stock options, Shares		373,369
Settlement of convertible senior notes				(82,135)				$ 81,245		(890)
Settlement of convertible senior notes, Shares		119,604						(119,601)
Exercise of call option under bond hedge upon settlement of convertible senior notes				81,245				$ (81,245)
Exercise of call option under bond hedge upon settlement of convertible senior notes (in shares)		(119,601)						119,601
Termination of convertible note hedge				(30,515)						(30,515)
Net income							357,402			357,402
Net losses from foreign currency translation					700					700
Balances at Jul. 31, 2021		$ 2		583,112	3,265		219,964			806,343
Balances, shares at Jul. 31, 2021		21,407,717
Increase (Decrease) in Temporary Equity [Roll Forward]
Reclassification of equity component to mezzanine equity related to early converted senior notes outstandingnet	$ 30,515
Balances at Jul. 31, 2021	30,515
Balances at May. 01, 2021		$ 2		597,329	3,913		(6,782)			594,462
Balances, shares at May. 01, 2021		21,020,538
Stock-based compensation				10,089						10,089
Issuance of restricted stock, Shares		1,260
Vested and delivered restricted stock units				(17,721)						(17,721)
Vested and delivered restricted stock units, Shares		34,891
Exercise of stock options				24,586						24,586
Exercise of stock options, Shares		351,027
Settlement of convertible senior notes				(78,621)				$ 77,965		(656)
Settlement of convertible senior notes, Shares		112,297						(112,296)
Exercise of call option under bond hedge upon settlement of convertible senior notes				77,965				$ (77,965)
Exercise of call option under bond hedge upon settlement of convertible senior notes (in shares)		(112,296)						112,296
Reclassification of equity component to mezzanine equity related to early converted senior notes outstanding	30,515			(30,515)						(30,515)
Net income							226,746			226,746
Net losses from foreign currency translation					(648)					(648)
Balances at Jul. 31, 2021		$ 2		583,112	3,265		219,964			806,343
Balances, shares at Jul. 31, 2021		21,407,717
Balances at Jul. 31, 2021	$ 30,515
Balances at Jan. 29, 2022		$ 2	$ (56,390)	620,577	(1,410)	$ 19,889	551,108		$ (36,501)	1,170,277
Balances, shares at Jan. 29, 2022		21,506,967
Stock-based compensation				23,538						23,538
Issuance of restricted stock, Shares		3,577
Vested and delivered restricted stock units				(323)						(323)
Vested and delivered restricted stock units, Shares		1,866
Exercise of stock options				152,041						152,041
Exercise of stock options, Shares		3,202,775
Repurchases of common stock								$ (254,731)		(254,731)
Repurchases of common stock, Shares		(1,000,000)						1,000,000
Retirement of treasury stock				(254,731)				$ 254,731
Retirement of treasury stock, Shares								(1,000,000)
Settlement of convertible senior notes				(14,705)				$ 14,705
Settlement of convertible senior notes, Shares		36,974						(36,968)
Exercise of call option under bond hedge upon settlement of convertible senior notes				14,705				$ (14,705)
Exercise of call option under bond hedge upon settlement of convertible senior notes (in shares)		(36,968)						36,968
Termination of common stock warrants				(386,708)						(386,708)
Termination of convertible note hedge				236,050						236,050
Net income							322,986			322,986
Net losses from foreign currency translation					(6,385)					(6,385)
Balances at Jul. 30, 2022		$ 2		334,054	(7,795)		893,983			1,220,244
Balances, shares at Jul. 30, 2022		23,715,191
Balances at Apr. 30, 2022		$ 2		575,635	(5,555)		771,708			1,341,790
Balances, shares at Apr. 30, 2022		24,661,781
Stock-based compensation				10,736						10,736
Issuance of restricted stock, Shares		3,577
Vested and delivered restricted stock units				(57)						(57)
Vested and delivered restricted stock units, Shares		457
Exercise of stock options				2,471						2,471
Exercise of stock options, Shares		49,375
Repurchases of common stock								$ (254,731)		$ (254,731)
Repurchases of common stock, Shares		(1,000,000)						1,000,000		(1,000,000)
Retirement of treasury stock				(254,731)				$ 254,731
Retirement of treasury stock, Shares								(1,000,000)		(1,000,000)
Settlement of convertible senior notes, Shares		1
Net income							122,275			$ 122,275
Net losses from foreign currency translation					(2,240)					(2,240)
Balances at Jul. 30, 2022		$ 2		$ 334,054	$ (7,795)		$ 893,983			$ 1,220,244
Balances, shares at Jul. 30, 2022		23,715,191