Stock Repurchase Program And Shares Withheld From Vested Restricted Shares (Summary Of Stock Repurchase Activities And Shares Withheld From Vested Restricted Shares During Period) (Details) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Oct. 28, 2012	Oct. 30, 2011	Oct. 28, 2012	Oct. 30, 2011
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	0	1,370,817	9,696	1,393,330
Repurchases, Value	$ 0	$ 30,028	$ 269	$ 30,579
Shares Repurchased Under The 2008 Program [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	0	1,369,495	0	1,369,495
Repurchases, Value	0	30,000	0	30,000
Shares Withheld From Vested Restricted Shares [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	0	1,322	9,696	23,835
Repurchases, Value	$ 0	$ 28	$ 269	$ 579