CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY (USD $)	Total	Common Stock [Member]	Additional Paid-in Capital [Member]	Retained Earnings [Member]	Treasury Stock [Member]
Balance at Jan. 28, 2012	$ 283,684	$ 205	$ 67,574	$ 222,235	$ (6,330)
Balance, shares at Jan. 28, 2012		20,478			(391)
Stock option exercises	1,993		(1,355)		3,348
Stock option exercises, shares					208
Dividends paid	(2,045)			(2,045)
Stock-based compensation income tax benefit	1,294		1,294
Employee stock purchase plan purchases	156		23		133
Employee stock purchase plan purchases, shares					8
Restricted stock awards	0		(4,260)		4,260
Restricted stock awards, shares		(13)			229
Shares surrendered by employees to pay taxes on restricted stock	(16)				(16)
Shares surrendered by employees to pay taxes on restricted stock, shares					(1)
Purchase of common stock for treasury	(1,859)				(1,859)
Purchase of common stock for treasury, shares					(81)
Stock-based compensation expense	3,300		3,300
Net income	26,127			26,127
Balance at Oct. 27, 2012	$ 312,634	$ 205	$ 66,576	$ 246,317	$ (464)
Balance, shares at Oct. 27, 2012		20,465			(28)