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. 28, 2012	$ 203,750	$ 375	$ 127,779	$ 349,012	$ (273,416)
Balance-beginning 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
Adjustment to income tax benefit from exercises of employee stock options	(2)	0	(2)	0	0
Purchase of shares under the stock repurchase program	(49,852)				(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			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
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)				(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
Consolidated Statements of Stockholders' Investment [Roll Forward]
Net income	73,584	0	0	73,584	0
Issuance of shares through the Company's equity plans, including tax benefit	3,685	3	3,682	0	0
Issuance of shares through the Company's equity plans, including tax benefit (in shares)		263,328
Adjustment to income tax benefit from exercises of employee stock options	(8)	0	(8)	0	0
Purchase of shares under the stock repurchase program	(60,971)				(60,971)
Purchase of shares under the stock repurchase program (in shares)					1,206,006
Stock-based compensation	4,468	0	4,468	0	0
Balance-end of period at Jan. 31, 2015	$ 324,781	$ 385	$ 162,675	$ 566,055	$ (404,334)
Balance-end of period (in shares) at Jan. 31, 2015	38,465,814	38,465,814			13,595,537