STATEMENTS OF STOCKHOLDERS' EQUITY (Unaudited) (USD $) In Thousands, except Share data	Total	Common Stock	Additional Paid-in Capital	Retained Earnings	Accumulated Other Comprehensive Loss
Balance, value at Jan. 30, 2010	$ 354,259	$ 464	$ 78,837	$ 275,751	$ (793)
Balance, shares at Jan. 30, 2010		46,381,263
Net income	50,857			50,857
Dividends paid on common stock	(18,694)			(18,694)
Common stock issued on exercise of stock options (in shares)		166,323
Common stock issued on exercise of stock options	841	2	839
Issuance of non-vested stock, net of forfeitures (in shares)		243,235
Issuance of non-vested stock, net of forfeitures		2	(2)
Amortization of non-vested stock grants, net of forfeitures	2,168		2,168
Stock option compensation expense	32		32
Income tax benefit related to exercise of stock options	1,842		1,842
Unrealized loss on investments, net of tax	126				126
Balance, value at Jul. 31, 2010	391,431	468	83,716	307,914	(667)
Balance, shares at Jul. 31, 2010		46,790,821
Balance, value at Jan. 29, 2011	345,665	471	89,719	256,146	(671)
Balance, shares at Jan. 29, 2011		47,127,926
Net income	57,027			57,027
Dividends paid on common stock	(18,938)			(18,938)
Common stock issued on exercise of stock options (in shares)	105,244	105,244
Common stock issued on exercise of stock options	571	1	570
Issuance of non-vested stock, net of forfeitures (in shares)		128,735
Issuance of non-vested stock, net of forfeitures		2	(2)
Amortization of non-vested stock grants, net of forfeitures	3,128		3,128
Income tax benefit related to exercise of stock options	1,389		1,389
Unrealized loss on investments, net of tax	112				112
Balance, value at Jul. 30, 2011	$ 388,954	$ 474	$ 94,804	$ 294,235	$ (559)
Balance, shares at Jul. 30, 2011		47,361,905