Consolidated Statements of Stockholders’ Investment - USD ($) $ in Thousands	3 Months Ended				12 Months Ended			186 Months Ended
	Feb. 01, 2020	May 04, 2019	Feb. 02, 2019	May 05, 2018	Feb. 01, 2020	Feb. 02, 2019	Feb. 03, 2018	Feb. 01, 2020	Feb. 03, 2019	Feb. 04, 2018	Jan. 29, 2017
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance-beginning of period		$ 336,049		$ 319,596	$ 336,049	$ 319,596	$ 334,040
Net income	$ 6,001	$ 27,857	$ 6,634	$ 21,509	27,344	28,421	35,030
Issuance of shares through the Company’s equity plans					475	901	667
Adjustment for adoption of accounting standard									$ (2,079)	$ (645)	$ 485
Purchase of shares under the stock repurchase program					$ (34,904)	$ (16,124)	$ (53,794)	$ (645,200)
Settlement of net share equity awards (in shares)					29,432	18,765	24,432
Settlement of net share equity awards					$ (555)	$ (416)	$ (712)
Stock-based compensation					2,653	4,316	3,880
Balance-end of period	$ 328,983		$ 336,049		$ 328,983	$ 336,049	$ 319,596	$ 328,983
Common Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance-beginning of period (in shares)		38,983,000		38,863,000	38,983,000	38,863,000	38,739,000
Balance-beginning of period		$ 390		$ 389	$ 390	$ 389	$ 387
Issuance of shares through the Company’s equity plans (in shares)					158,000	120,000	124,000
Issuance of shares through the Company’s equity plans					$ 1	$ 1	$ 2
Balance-end of period (in shares)	39,141,000		38,983,000		39,141,000	38,983,000	38,863,000	39,141,000
Balance-end of period	$ 391		$ 390		$ 391	$ 390	$ 389	$ 391
Paid-in Capital
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance-beginning of period		185,752		180,536	185,752	180,536	174,719
Issuance of shares through the Company’s equity plans					474	900	665
Adjustment for adoption of accounting standard											1,272
Stock-based compensation					2,653	4,316	3,880
Balance-end of period	188,879		185,752		188,879	185,752	180,536	188,879
Retained Earnings
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance-beginning of period		$ 759,677		$ 731,901	759,677	731,901	697,658
Net income					27,344	28,421	35,030
Adjustment for adoption of accounting standard									$ (2,079)	$ (645)	$ (787)
Balance-end of period	$ 784,942		$ 759,677		$ 784,942	$ 759,677	$ 731,901	$ 784,942
Treasury Stock
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance-beginning of period (in shares)		20,686,000		19,910,000	20,686,000	19,910,000	17,067,000
Balance-beginning of period		$ (609,770)		$ (593,230)	$ (609,770)	$ (593,230)	$ (538,724)
Purchase of shares under the stock repurchase program (in shares)					1,565,000	757,000	2,818,000
Purchase of shares under the stock repurchase program					$ (34,904)	$ (16,124)	$ (53,794)
Settlement of net share equity awards (in shares)					29,000	19,000	25,000
Settlement of net share equity awards					$ (555)	$ (416)	$ (712)
Balance-end of period (in shares)	22,280,000		20,686,000		22,280,000	20,686,000	19,910,000	22,280,000
Balance-end of period	$ (645,229)		$ (609,770)		$ (645,229)	$ (609,770)	$ (593,230)	$ (645,229)