CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Common Stock [Member]	Treasury Stock [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]
Balance at Feb. 03, 2018	$ 307,302	$ 205	$ (85,099)	$ 65,458	$ 326,738
Balance, shares at Feb. 03, 2018		20,529	(3,582)
Cumulative Effect on Retained Earnings, Net of Tax | Adoption of Accounting Standards Codification 606	620				620
Dividends declared	(3,799)				(3,799)
Employee stock purchase plan purchases	148		$ 143	5
Employee stock purchase plan purchases, shares			6
Restricted stock awards	0		$ (577)	577
Restricted stock awards, shares			(41)
Shares surrendered by employees to pay taxes on restricted stock	(312)		$ (312)
Shares surrendered by employees to pay taxes on restricted stock, shares			(12)
Purchase of common stock for treasury	(39,046)		$ (39,046)
Purchase of common stock for treasury, shares			(1,330)
Stock-based compensation expense	7,063			7,063
Net income	36,776				36,776
Balance at Nov. 03, 2018	308,752	$ 205	$ (124,891)	73,103	360,335
Balance, shares at Nov. 03, 2018		20,529	(4,959)
Balance at Aug. 04, 2018	313,764	$ 205	$ (104,882)	68,892	349,549
Balance, shares at Aug. 04, 2018		20,529	(4,440)
Dividends declared	(1,257)				(1,257)
Employee stock purchase plan purchases	41		$ 31	10
Employee stock purchase plan purchases, shares			1
Shares surrendered by employees to pay taxes on restricted stock	(37)		$ (37)
Shares surrendered by employees to pay taxes on restricted stock, shares			(1)
Purchase of common stock for treasury	(20,003)		$ (20,003)
Purchase of common stock for treasury, shares			(519)
Stock-based compensation expense	4,201			4,201
Other	(3)				(3)
Net income	12,046				12,046
Balance at Nov. 03, 2018	308,752	$ 205	$ (124,891)	73,103	360,335
Balance, shares at Nov. 03, 2018		20,529	(4,959)
Balance at Feb. 02, 2019	304,433	$ 205	$ (131,846)	75,631	360,443
Balance, shares at Feb. 02, 2019		20,529	(5,154)
Cumulative Effect on Retained Earnings, Net of Tax | Adoption of Accounting Standards Codification 842	(2,649)				(2,649)
Dividends declared	(3,728)				(3,728)
Employee stock purchase plan purchases	148		$ 146	2
Employee stock purchase plan purchases, shares			5
Restricted stock awards	0		$ 1,842	(1,842)
Restricted stock awards, shares		(2)	67
Shares surrendered by employees to pay taxes on restricted stock	(11,040)		$ (11,040)
Shares surrendered by employees to pay taxes on restricted stock, shares			(324)
Purchase of common stock for treasury	(30,915)		$ (30,915)
Purchase of common stock for treasury, shares			(933)
Stock-based compensation expense	5,068			5,068
Net income	39,431				39,431
Balance at Nov. 02, 2019	300,748	$ 205	$ (171,813)	78,859	393,497
Balance, shares at Nov. 02, 2019		20,527	(6,339)
Balance at Aug. 03, 2019	303,560	$ 205	$ (155,031)	77,374	381,012
Balance, shares at Aug. 03, 2019		20,528	(5,822)
Dividends declared	(1,241)				(1,241)
Employee stock purchase plan purchases	44		$ 43	1
Employee stock purchase plan purchases, shares			1
Restricted stock awards	0		$ 178	(178)
Restricted stock awards, shares		(1)	7
Shares surrendered by employees to pay taxes on restricted stock	(100)		$ (100)
Shares surrendered by employees to pay taxes on restricted stock, shares			(3)
Purchase of common stock for treasury	(16,903)		$ (16,903)
Purchase of common stock for treasury, shares			(522)
Stock-based compensation expense	1,662			1,662
Net income	13,726				13,726
Balance at Nov. 02, 2019	$ 300,748	$ 205	$ (171,813)	$ 78,859	$ 393,497
Balance, shares at Nov. 02, 2019		20,527	(6,339)