Consolidated Statements 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 Jan. 28, 2017	$ 318,882	$ 206	$ (59,237)	$ 65,272	$ 312,641
Balance, shares at Jan. 28, 2017		20,569	(2,434)
Cumulative Effect on Retained Earnings, Net of Tax | Adoption of Accounting Standards Update No. 2016-09	0			(188)	188
Stock option exercises	54		$ 168	(114)
Stock option exercises, shares			7
Dividends	(5,024)				(5,024)
Employee stock purchase plan purchases	205		$ 249	(44)
Employee stock purchase plan purchases, shares			10
Restricted stock awards	0	$ (1)	$ 4,546	(4,545)
Restricted stock awards, shares		(40)	139
Shares surrendered by employees to pay taxes on restricted stock	(1,027)		$ (1,027)
Shares surrendered by employees to pay taxes on restricted stock, shares			(45)
Purchase of common stock for Treasury	(29,798)		$ (29,798)
Purchase of common stock for treasury, shares			(1,259)
Stock-based compensation expense	5,077			5,077
Net income	18,933				18,933
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	(5,050)				(5,050)
Employee stock purchase plan purchases	177		$ 169	8
Employee stock purchase plan purchases, shares			7
Restricted stock awards	0		$ (543)	543
Restricted stock awards, shares			(39)
Shares surrendered by employees to pay taxes on restricted stock	(327)		$ (327)
Shares surrendered by employees to pay taxes on restricted stock, shares			(13)
Purchase of common stock for Treasury	(46,046)		$ (46,046)
Purchase of common stock for treasury, shares			(1,527)
Stock-based compensation expense	9,622			9,622
Net income	38,135				38,135
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	(4,947)				(4,947)
Employee stock purchase plan purchases	182		$ 175	7
Employee stock purchase plan purchases, shares			6
Restricted stock awards	0		$ 1,982	(1,982)
Restricted stock awards, shares		(4)	72
Shares surrendered by employees to pay taxes on restricted stock	(11,060)		$ (11,060)
Shares surrendered by employees to pay taxes on restricted stock, shares			(324)
Purchase of common stock for Treasury	(37,768)		$ (37,768)
Purchase of common stock for treasury, shares			(1,117)
Stock-based compensation expense	6,258			6,258
Net income	42,914				42,914
Balance at Feb. 01, 2020	$ 297,363	$ 205	$ (178,517)	$ 79,914	$ 395,761
Balance, shares at Feb. 01, 2020		20,525	(6,517)