CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY INVESTMENT (USD $) In Thousands, except Share data, unless otherwise specified	Total	Common Stock [Member]	Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance-beginning of period at Jan. 29, 2011	$ 200,088	$ 371	$ 114,568	$ 289,952	$ (204,803)
Balance-beginning of period (in shares) at Jan. 29, 2011		37,130,646			9,223,038
Consolidated Statements of Stockholders' Investment [Roll Forward]
Net income	59,060	0	0	59,060	0
Issuance of shares through the Company's equity plans, including tax benefit	6,999	4	6,995	0	0
Issuance of shares through the Company's equity plans, including tax benefit (in shares)		367,482			0
Tax shortfall on release of restricted stock and option exercises	(51)	0	(51)	0	0
Adjustment to income tax benefit from exercises of employee stock options	814	0	814	0	0
Purchase of shares under the stock repurchase program	(68,613)	0	0	0	(68,613)
Purchase of shares under the stock repurchase program (in shares)					1,897,002
Stock-based compensation	5,453	0	5,453	0	0
Balance-end of period at Jan. 28, 2012	203,750	375	127,779	349,012	(273,416)
Balance-end of period (in shares) at Jan. 28, 2012		37,498,128			11,120,040
Consolidated Statements of Stockholders' Investment [Roll Forward]
Net income	72,582	0	0	72,582	0
Issuance of shares through the Company's equity plans, including tax benefit	7,000	3	6,997	0	0
Issuance of shares through the Company's equity plans, including tax benefit (in shares)		348,193			0
Adjustment to income tax benefit from exercises of employee stock options	(2)	0	(2)	0	0
Purchase of shares under the stock repurchase program		0	0	0	(49,852)
Purchase of shares under the stock repurchase program (in shares)					903,794
Stock-based compensation	5,649	0	5,649	0	0
Balance-end of period at Feb. 02, 2013	239,127	378	140,423	421,594	(323,268)
Balance-end of period (in shares) at Feb. 02, 2013	37,846,321	37,846,321			12,023,834
Consolidated Statements of Stockholders' Investment [Roll Forward]
Net income	70,877	0	0	70,877	0
Issuance of shares through the Company's equity plans, including tax benefit	7,368	4	7,364	0	0
Issuance of shares through the Company's equity plans, including tax benefit (in shares)		356,165			0
Adjustment to income tax benefit from exercises of employee stock options	908	0	908	0	0
Purchase of shares under the stock repurchase program	(20,095)	0	0	0	(20,095)
Purchase of shares under the stock repurchase program (in shares)					365,697
Stock-based compensation	5,838	0	5,838	0	0
Balance-end of period at Feb. 01, 2014	$ 304,023	$ 382	$ 154,533	$ 492,471	$ (343,363)
Balance-end of period (in shares) at Feb. 01, 2014	38,202,486	38,202,486			12,389,531