Basis of Presentation Fiscal Period (Details)	3 Months Ended		12 Months Ended
	May 05, 2018	Apr. 29, 2017	Feb. 02, 2019	Feb. 03, 2018
Fiscal Year [Line Items]
Fiscal Period Duration	91 days	91 days	364 days	371 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