Equity (Narrative) (Details) - USD ($)	6 Months Ended
	Feb. 01, 2020	Feb. 02, 2019	Nov. 02, 2019	Aug. 03, 2019	Dec. 31, 2015
Class of Stock [Line Items]
Common Stock, Value, Issued	$ 100,000		$ 199,400,000	$ 100,000
Stock Issued During Period, Shares, Stock Splits	9,972,221
Common Stock, Shares Authorized	18,000,000
Shares repurchased (in shares)	0
Antidilutive securities excluded from earnings per share (in shares)	1,100,000	1,300,000
2016 Stock Repurchase Program
Class of Stock [Line Items]
Share repurchase program authorized amount					$ 200,000,000
Stock repurchase program remaining authorized repurchase amount	$ 181,400,000