Consolidated Statements of Shareholders' Equity - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock	Additional Paid-in Capital	Treasury Stock	Retained Earnings	Accumulated Other Comprehensive Loss
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	$ 609,173	$ 1,288	$ 452,756	$ 386,094	$ 541,251	$ (28)
Ending Balance	609,173	$ 1,288	452,756	$ 386,094	541,251	(28)
Beginning Balance (in shares) at Jan. 28, 2017		128,753		26,417
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	101,000				101,000
Unrealized gains (losses) on marketable securities, net of taxes	(135)					(135)
Foreign currency translation (losses) gains	119					119
Issuance of common stock (in shares)		1,931
Issuance of common stock	2,127	$ 19	2,108
Dividends paid on common stock, $0.35, $0.34, and $0.33, as of February 1, 2020, February 2, 2019, February 3, 2018, respectively	(42,441)				(42,441)
Repurchase of common stock (in shares)		3,213		2,697
Repurchase of common stock	(34,138)	$ (32)	(6,735)	$ (27,371)
Share-based compensation	20,677		20,677
Ending Balance (in shares) at Feb. 03, 2018		127,471		29,114
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	656,382	$ 1,275	468,806	$ 413,465	599,810	(44)
Cumulative effect of adoption of ASU 2018-02, ASU 2016-16, ASU 2016-02 and ASU 2014-09	(5,054)				(5,015)	(39)
Adjusted balance	(651,328)	(1,275)	(468,806)	(413,465)	(594,795)	83
Ending Balance	656,382	$ 1,275	468,806	$ 413,465	599,810	(44)
Net income	35,613				35,613
Unrealized gains (losses) on marketable securities, net of taxes	189					189
Foreign currency translation (losses) gains	(467)					(467)
Issuance of common stock (in shares)		2,073
Issuance of common stock	1,548	$ 21	1,527
Dividends paid on common stock, $0.35, $0.34, and $0.33, as of February 1, 2020, February 2, 2019, February 3, 2018, respectively	(43,263)				(43,263)
Repurchase of common stock (in shares)		12,595		12,183
Repurchase of common stock	(84,767)	$ (127)	(3,710)	$ (80,930)
Share-based compensation	19,783		19,783
Ending Balance (in shares) at Feb. 02, 2019		116,949		41,297
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	579,964	$ 1,169	486,406	$ 494,395	587,145	(361)
Cumulative effect of adoption of ASU 2018-02, ASU 2016-16, ASU 2016-02 and ASU 2014-09	(1,287)				(1,287)
Adjusted balance	(578,677)	(1,169)	(486,406)	(494,395)	(585,858)	361
Ending Balance	579,964	$ 1,169	486,406	$ 494,395	587,145	(361)
Net income	(12,754)				(12,754)
Unrealized gains (losses) on marketable securities, net of taxes	200					200
Foreign currency translation (losses) gains	(267)					(267)
Issuance of common stock (in shares)		1,926
Issuance of common stock	1,143	$ 19	1,124
Dividends paid on common stock, $0.35, $0.34, and $0.33, as of February 1, 2020, February 2, 2019, February 3, 2018, respectively	(41,502)				(41,502)
Repurchase of common stock (in shares)		457
Repurchase of common stock	(2,550)	$ (4)	(2,546)
Share-based compensation	7,145		7,145
Ending Balance (in shares) at Feb. 01, 2020		118,418		41,297
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning Balance	530,092	$ 1,184	492,129	$ 494,395	531,602	(428)
Ending Balance	$ 530,092	$ 1,184	$ 492,129	$ 494,395	$ 531,602	$ (428)