Condensed Consolidated Statements of Stockholders' Equity (Unaudited) - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Gain (Loss)
Beginning balance (in shares) at Jan. 30, 2021		119,735
Treasury stocks, beginning balance (in shares) at Jan. 30, 2021				41,297
Beginning balance at Jan. 30, 2021	$ 165,119	$ 1,197	$ 498,488	$ (494,395)	$ 159,765	$ 64
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	35,484				35,484
Unrealized losses on marketable securities, net of taxes	(64)					(64)
Issuance of common stock (in shares)		3,242
Issuance of common stock	0	$ 33	(33)
Dividends on common stock	57				57
Repurchase of common stock & tax withholdings related to share-based awards (in shares)		(468)
Repurchase of common stock & tax withholdings related to share-based awards	(1,877)	$ (5)	(1,872)
Share-based compensation	$ 8,836		8,836
Ending balance (in shares) at Oct. 30, 2021	122,509	122,509
Treasury stocks, ending balance (in shares) at Oct. 30, 2021	41,297			41,297
Ending balance at Oct. 30, 2021	$ 207,555	$ 1,225	505,419	$ (494,395)	195,306	0
Beginning balance (in shares) at Jul. 31, 2021		122,565
Treasury stocks, beginning balance (in shares) at Jul. 31, 2021				41,297
Beginning balance at Jul. 31, 2021	187,086	$ 1,226	503,168	$ (494,395)	177,077	10
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	18,226				18,226
Unrealized losses on marketable securities, net of taxes	(10)					(10)
Issuance of common stock (in shares)		94
Issuance of common stock	(1)		(1)
Dividends on common stock	3				3
Repurchase of common stock & tax withholdings related to share-based awards (in shares)		(150)
Repurchase of common stock & tax withholdings related to share-based awards	(896)	$ (1)	(895)
Share-based compensation	$ 3,147		3,147
Ending balance (in shares) at Oct. 30, 2021	122,509	122,509
Treasury stocks, ending balance (in shares) at Oct. 30, 2021	41,297			41,297
Ending balance at Oct. 30, 2021	$ 207,555	$ 1,225	505,419	$ (494,395)	195,306	0
Beginning balance (in shares) at Jan. 29, 2022	122,526	122,526
Treasury stocks, beginning balance (in shares) at Jan. 29, 2022	41,297			41,297
Beginning balance at Jan. 29, 2022	$ 221,504	$ 1,225	508,654	$ (494,395)	206,020	0
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	101,512				101,512
Unrealized losses on marketable securities, net of taxes	(228)					(228)
Issuance of common stock (in shares)		4,258
Issuance of common stock	239	$ 43	196
Dividends on common stock	4				4
Repurchase of common stock & tax withholdings related to share-based awards (in shares)		(1,755)
Repurchase of common stock & tax withholdings related to share-based awards	(8,815)	$ (18)	(8,797)
Share-based compensation	$ 10,321		10,321
Ending balance (in shares) at Oct. 29, 2022	125,029	125,029
Treasury stocks, ending balance (in shares) at Oct. 29, 2022	41,297			41,297
Ending balance at Oct. 29, 2022	$ 324,537	$ 1,250	510,374	$ (494,395)	307,536	(228)
Beginning balance (in shares) at Jul. 30, 2022		125,184
Treasury stocks, beginning balance (in shares) at Jul. 30, 2022				41,297
Beginning balance at Jul. 30, 2022	297,877	$ 1,252	508,105	$ (494,395)	282,910	5
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	24,619				24,619
Unrealized losses on marketable securities, net of taxes	(233)					(233)
Issuance of common stock (in shares)		3
Issuance of common stock	83		83
Dividends on common stock	7				7
Repurchase of common stock & tax withholdings related to share-based awards (in shares)		(158)
Repurchase of common stock & tax withholdings related to share-based awards	(980)	$ (2)	(978)
Share-based compensation	$ 3,164		3,164
Ending balance (in shares) at Oct. 29, 2022	125,029	125,029
Treasury stocks, ending balance (in shares) at Oct. 29, 2022	41,297			41,297
Ending balance at Oct. 29, 2022	$ 324,537	$ 1,250	$ 510,374	$ (494,395)	$ 307,536	$ (228)