Organization and Basis of Presentation (Fiscal Year) (Details)	3 Months Ended		9 Months Ended		12 Months Ended
	Oct. 30, 2011 weeks	Oct. 28, 2012 52-Week Fiscal Year [Member] weeks	Oct. 28, 2012 52-Week Fiscal Year [Member] weeks	Oct. 28, 2012 53-Week Fiscal Year [Member] weeks	Jan. 31, 2010 53-Week Fiscal Year [Member] weeks
Organization And Basis Of Presentation [Line Items]
Number of weeks in a fiscal year			52	53
Number of weeks in a quarter for 52 week fiscal period	13	13	13
Number of weeks for the fourth quarter for a 53-week fiscal year					14