CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, unless otherwise specified	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]	Total
Balance at Jan. 28, 2012	$ 205	$ 67,574	$ 222,235	$ (6,330)	$ 283,684
Balance (in shares) at Jan. 28, 2012	20,478			(391)
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Stock option exercises		(494)		1,522	1,028
Stock option exercises (in shares)				94
Stock-based compensation income tax benefit		787			787
Employee stock purchase plan purchases		8		61	69
Employee stock purchase plan purchases (in shares)				4
Restricted stock awards		(3,923)		3,923	0
Restricted stock awards (in shares)				220
Stock-based compensation expense		623			623
Net income			11,020		11,020
Balance at Apr. 28, 2012	$ 205	$ 64,575	$ 233,255	$ (824)	$ 297,211
Balance (in shares) at Apr. 28, 2012	20,478			(73)