Organization and Basis of Presentation (Fiscal Year) (Details)	3 Months Ended
	Apr. 28, 2013	Apr. 29, 2012
Fiscal Year [Line Items]
Number of weeks in fiscal quarter	13	13
Minimum [Member]
Fiscal Year [Line Items]
Number of weeks in fiscal year	52
Number of weeks in fiscal quarter	13
Maximum [Member]
Fiscal Year [Line Items]
Number of weeks in fiscal year	53
Number of weeks in fiscal quarter	14