Basis of Presentation (Details)	9 Months Ended	12 Months Ended
	Oct. 29, 2016	Jan. 28, 2017	Jan. 30, 2016
Fiscal Year [Line Items]
Fiscal Period Duration		364 days	364 days
Length of some fiscal years | Minimum
Fiscal Year [Line Items]
Fiscal Period Duration	364 days
Length of some fiscal years | Maximum
Fiscal Year [Line Items]
Fiscal Period Duration	371 days