Risk Management And Derivatives (Narrative) (Details)	6 Months Ended		12 Months Ended
	Jul. 30, 2016	Aug. 01, 2015	Jan. 30, 2016
Derivative [Line Items]
Derivative, Maturity Date	Jul. 28, 2017
Forward Contracts [Member]
Derivative [Line Items]
Derivative, Maturity Date	Jul. 28, 2017	Jul. 29, 2016	Jan. 31, 2017