Unaudited Condensed Statements of Stockholders Equity Investment - USD ($) shares in Thousands, $ in Thousands	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance-beginning of period at Feb. 03, 2018	$ 389	$ 180,536	$ 731,901	$ (593,230)	$ 319,596
Balance-beginning of period (in shares) at Feb. 03, 2018	38,863			19,910
Unaudited Condensed Statements of Stockholders Investment [Roll Forward]
Net income (loss)	$ 0	0	20,287	$ 0	20,287
Issuance of shares through the Company's equity plans	$ 0	508	0	$ 0	508
Issuance of shares through the Company's equity plans (in shares)	91			0
Adjustment for adoption of accounting standard	$ 0	0	(645)	$ 0	(645)
Purchase of shares under the stock repurchase program	$ 0	0	0	$ (8,432)	(8,432)
Purchase of shares under the stock repurchase program (in shares)	0			358
Settlement of net share equity awards	$ 0	0	0	$ (416)	(416)
Settlement of net share equity awards (in shares)	0			19
Stock-based compensation	$ 0	2,653	0	$ 0	2,653
Balance-end of period at Aug. 04, 2018	$ 389	183,697	751,543	$ (602,078)	333,551
Balance-end of period (in shares) at Aug. 04, 2018	38,954			20,287
Balance-beginning of period at May. 05, 2018	$ 389	182,630	752,765	$ (594,101)	341,683
Balance-beginning of period (in shares) at May. 05, 2018	38,946			19,951
Unaudited Condensed Statements of Stockholders Investment [Roll Forward]
Net income (loss)	$ 0	0	(1,222)	$ 0	(1,222)
Issuance of shares through the Company's equity plans	$ 0	150	0	0	150
Issuance of shares through the Company's equity plans (in shares)	8
Purchase of shares under the stock repurchase program	$ 0	0	0	$ (7,977)	(7,977)
Purchase of shares under the stock repurchase program (in shares)				336
Stock-based compensation	0	917	0	$ 0	917
Balance-end of period at Aug. 04, 2018	$ 389	183,697	751,543	$ (602,078)	333,551
Balance-end of period (in shares) at Aug. 04, 2018	38,954			20,287
Balance-beginning of period at Feb. 02, 2019	$ 390	185,752	759,677	$ (609,770)	336,049
Balance-beginning of period (in shares) at Feb. 02, 2019	38,983			20,686
Unaudited Condensed Statements of Stockholders Investment [Roll Forward]
Net income (loss)	$ 0	0	19,079	$ 0	19,079
Issuance of shares through the Company's equity plans	$ 1	289	0	$ 0	290
Issuance of shares through the Company's equity plans (in shares)	142			0
Adjustment for adoption of accounting standard	$ 0	0	(2,080)	$ 0	(2,080)
Purchase of shares under the stock repurchase program	$ 0	0	0	$ (13,745)	(13,745)
Purchase of shares under the stock repurchase program (in shares)	0			660
Settlement of net share equity awards	$ 0	0	0	$ (556)	(556)
Settlement of net share equity awards (in shares)	0			29
Stock-based compensation	$ 0	906	0	$ 0	906
Balance-end of period at Aug. 03, 2019	$ 391	186,947	776,677	$ (624,070)	339,945
Balance-end of period (in shares) at Aug. 03, 2019	39,125			21,376
Balance-beginning of period at May. 04, 2019	$ 391	186,462	785,454	$ (615,125)	357,182
Balance-beginning of period (in shares) at May. 04, 2019	39,101			20,945
Unaudited Condensed Statements of Stockholders Investment [Roll Forward]
Net income (loss)	$ 0	0	(8,778)	$ 0	(8,778)
Issuance of shares through the Company's equity plans	$ 0	86	0	$ 0	86
Issuance of shares through the Company's equity plans (in shares)	24			0
Purchase of shares under the stock repurchase program	$ 0	0	0	$ (8,946)	(8,946)
Purchase of shares under the stock repurchase program (in shares)	0			430
Stock-based compensation	$ 0	399	0	$ 0	399
Balance-end of period at Aug. 03, 2019	$ 391	$ 186,947	$ 776,677	$ (624,070)	$ 339,945
Balance-end of period (in shares) at Aug. 03, 2019	39,125			21,376