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		6 Months Ended
	Jul. 29, 2012	Jul. 31, 2011	Jul. 29, 2012	Jul. 31, 2011
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	3,513	3,583	9,696	22,513
Repurchases, Value	$ 87	$ 101	$ 269	$ 551
Shares Repurchased Under The 2008 Program [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	0	0	0	0
Repurchases, Value	0	0	0	0
Shares Withheld From Vested Restricted Shares [Member]
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	3,513	3,583	9,696	22,513
Repurchases, Value	$ 87	$ 101	$ 269	$ 551