Organization and Basis of Presentation (Fiscal Year) (Details)	3 Months Ended		6 Months Ended
	Jul. 29, 2012 week	Jul. 28, 2013 52 Week Fiscal Year [Member] week	Jul. 28, 2013 52 Week Fiscal Year [Member] week	Jul. 28, 2013 53 Week Fiscal Year [Member] week
Organization And Basis Of Presentation [Line Items]
Number of Weeks in Reporting Period			52	53
Number of weeks in a quarter for 52 week fiscal period	13	13	13
Number of weeks in a quarter for 53 week fiscal period				14