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. 28, 2013	Jul. 29, 2012	Jul. 28, 2013	Jul. 29, 2012
Equity, Class of Treasury Stock [Line Items]
Repurchases, Shares	0	3,513	0	9,696
Repurchases, Value	$ 0	$ 87	$ 0	$ 269
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	0	9,696
Repurchases, Value	$ 0	$ 87	$ 0	$ 269