CONSOLIDATED STATEMENTS OF CHANGES IN STOCKHOLDERS' EQUITY - UNAUDITED - USD ($) $ in Thousands	Total	Cumulative Effect, Period of Adoption, Adjustment	Common Stock Common Stock	Common Stock Class B Common Stock	Additional Paid-In Capital	Retained Earnings	Retained Earnings Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Treasury Stock
BALANCE at Feb. 02, 2019	$ 1,904,161	$ (7,953)	$ 693	$ 245	$ 1,214,287	$ 2,455,192	$ (7,953)	$ (120)	$ (1,766,136)
BALANCE (in shares) at Feb. 02, 2019			69,305,000	24,541,000
Increase (Decrease) in Stockholders' Equity
Exchange of Class B common stock for common stock	0		$ 0	$ 0
Exchange of Class B common stock for common stock (in shares)			50,000	(50,000)
Exercise of stock options	213		$ 0		213
Exercise of stock options (in shares)			6,000
Restricted stock vested	0		$ 6		(6)
Restricted stock vested (in shares)			520,000
Minimum tax withholding requirements	(5,859)		$ (1)		(5,858)
Minimum tax withholding requirements (in shares)			(158,000)
Net income	57,525					57,525
Stock-based compensation	11,907				11,907
Foreign currency translation adjustment, net of tax	(19)							(19)
Purchase of shares for treasury (in shares)			(2,968,000)
Purchase of shares for treasury	(107,305)		$ (30)						(107,275)
Cash dividend declared	(26,635)					(26,635)
BALANCE at May. 04, 2019	1,826,035		$ 668	$ 245	1,220,543	2,478,129		(139)	(1,873,411)
BALANCE (in shares) at May. 04, 2019			66,755,000	24,491,000
BALANCE at Feb. 02, 2019	1,904,161	$ (7,953)	$ 693	$ 245	1,214,287	2,455,192	$ (7,953)	(120)	(1,766,136)
BALANCE (in shares) at Feb. 02, 2019			69,305,000	24,541,000
Increase (Decrease) in Stockholders' Equity
Net income	227,643
Foreign currency translation adjustment, net of tax	4
BALANCE at Nov. 02, 2019	1,708,902		$ 597	$ 243	1,240,864	2,599,495		(116)	(2,132,181)
BALANCE (in shares) at Nov. 02, 2019			59,677,000	24,291,000
BALANCE at May. 04, 2019	1,826,035		$ 668	$ 245	1,220,543	2,478,129		(139)	(1,873,411)
BALANCE (in shares) at May. 04, 2019			66,755,000	24,491,000
Increase (Decrease) in Stockholders' Equity
Exercise of stock options	60		$ 0		60
Exercise of stock options (in shares)			2,000
Restricted stock vested	0		$ 0		0
Restricted stock vested (in shares)			21,000
Minimum tax withholding requirements	(453)		$ 0		(453)
Minimum tax withholding requirements (in shares)			(7,000)
Net income	112,534					112,534
Stock-based compensation	11,175				11,175
Foreign currency translation adjustment, net of tax	17							17
Purchase of shares for treasury (in shares)			(4,486,000)
Purchase of shares for treasury	(159,319)		$ (45)						(159,274)
Cash dividend declared	(24,963)					(24,963)
BALANCE at Aug. 03, 2019	1,765,086		$ 623	$ 245	1,231,325	2,565,700		(122)	(2,032,685)
BALANCE (in shares) at Aug. 03, 2019			62,285,000	24,491,000
Increase (Decrease) in Stockholders' Equity
Exchange of Class B common stock for common stock	0		$ 2	$ (2)
Exchange of Class B common stock for common stock (in shares)			200,000	(200,000)
Exercise of stock options	887				887
Exercise of stock options (in shares)			29,000
Restricted stock vested	0		$ 0		0
Restricted stock vested (in shares)			1,000
Minimum tax withholding requirements	(8)		$ 0		(8)
Minimum tax withholding requirements (in shares)			0
Net income	57,584					57,584
Stock-based compensation	8,660				8,660
Foreign currency translation adjustment, net of tax	6							6
Purchase of shares for treasury (in shares)			(2,838,000)
Purchase of shares for treasury	(99,524)		$ (28)						(99,496)
Cash dividend declared	(23,789)					(23,789)
BALANCE at Nov. 02, 2019	1,708,902		$ 597	$ 243	1,240,864	2,599,495		(116)	(2,132,181)
BALANCE (in shares) at Nov. 02, 2019			59,677,000	24,291,000
BALANCE at Feb. 01, 2020	1,731,598		$ 593	$ 243	1,253,867	2,645,281		(120)	(2,168,266)
BALANCE (in shares) at Feb. 01, 2020			59,256,000	24,291,000
Increase (Decrease) in Stockholders' Equity
Equity component value of convertible note issuance	160,693				160,693
Purchase of convertible note hedge	(161,057)				(161,057)
Sale of common stock warrants	105,225				105,225
Restricted stock vested	0		$ 7		(7)
Restricted stock vested (in shares)			745,000
Minimum tax withholding requirements	(3,390)		$ (2)		(3,388)
Minimum tax withholding requirements (in shares)			(185,000)
Net income	(143,422)					(143,422)
Stock-based compensation	9,235				9,235
Foreign currency translation adjustment, net of tax	(63)							(63)
Cash dividend declared	(26,794)					(26,794)
BALANCE at May. 02, 2020	1,672,025		$ 598	$ 243	1,364,568	2,475,065		(183)	(2,168,266)
BALANCE (in shares) at May. 02, 2020			59,816,000	24,291,000
BALANCE at Feb. 01, 2020	1,731,598		$ 593	$ 243	1,253,867	2,645,281		(120)	(2,168,266)
BALANCE (in shares) at Feb. 01, 2020			59,256,000	24,291,000
Increase (Decrease) in Stockholders' Equity
Net income	310,637
Foreign currency translation adjustment, net of tax	6
BALANCE at Oct. 31, 2020	2,121,639		$ 608	$ 239	1,415,909	2,873,263		(114)	(2,168,266)
BALANCE (in shares) at Oct. 31, 2020			60,812,000	23,866,000
BALANCE at May. 02, 2020	1,672,025		$ 598	$ 243	1,364,568	2,475,065		(183)	(2,168,266)
BALANCE (in shares) at May. 02, 2020			59,816,000	24,291,000
Increase (Decrease) in Stockholders' Equity
Exchange of Class B common stock for common stock	0		$ 2	$ (2)
Exchange of Class B common stock for common stock (in shares)			200,000	(200,000)
Exercise of stock options	939		$ 0		939
Exercise of stock options (in shares)			28,000
Restricted stock vested	0		$ 1		(1)
Restricted stock vested (in shares)			26,000
Minimum tax withholding requirements	(294)		$ 0		(294)
Minimum tax withholding requirements (in shares)			(8,000)
Net income	276,843					276,843
Stock-based compensation	8,214				8,214
Foreign currency translation adjustment, net of tax	53							53
Cash dividend declared	(27,484)					(27,484)
BALANCE at Aug. 01, 2020	1,930,296		$ 601	$ 241	1,373,426	2,724,424		(130)	(2,168,266)
BALANCE (in shares) at Aug. 01, 2020			60,062,000	24,091,000
Increase (Decrease) in Stockholders' Equity
Exchange of Class B common stock for common stock	0		$ 2	$ (2)
Exchange of Class B common stock for common stock (in shares)			225,000	(225,000)
Exercise of stock options	24,533		$ 5		24,528
Exercise of stock options (in shares)			515,000
Restricted stock vested	0		$ 0		0
Restricted stock vested (in shares)			14,000
Minimum tax withholding requirements	(227)		$ 0		(227)
Minimum tax withholding requirements (in shares)			(4,000)
Net income	177,216					177,216
Stock-based compensation	18,182				18,182
Foreign currency translation adjustment, net of tax	16							16
Cash dividend declared	(28,377)					(28,377)
BALANCE at Oct. 31, 2020	$ 2,121,639		$ 608	$ 239	$ 1,415,909	$ 2,873,263		$ (114)	$ (2,168,266)
BALANCE (in shares) at Oct. 31, 2020			60,812,000	23,866,000