Stock Repurchase Program And Shares Withheld From Vested Restricted Shares (Summary Of Stock Repurchase Activities) (Details) (2008 Repurchase Program [Member], USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 30, 2011	Oct. 31, 2010	Oct. 30, 2011	Oct. 31, 2010
2008 Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	1,369,495	74,702	1,369,495	74,702
Repurchases, Value	$ 30,000	$ 1,258	$ 30,000	$ 1,258