Equity (Narrative) (Details)		3 Months Ended		9 Months Ended
	Dec. 19, 2019 shares	May 02, 2020 USD ($) shares	May 04, 2019 shares	May 02, 2020 USD ($) shares	May 04, 2019 shares	Dec. 18, 2019 shares	Aug. 03, 2019 shares	Dec. 31, 2015 USD ($)
Class of Stock [Line Items]
Reverse stock split conversion rate (percent)	0.05
Common stock, outstanding (in shares)	9,972,221	10,046,000		10,046,000		199,444,436	9,925,000
Common stock, authorized (in shares)	18,000,000
Antidilutive securities excluded from earnings per share (in shares)		1,000,000.0	1,500,000	1,000,000.0	1,500,000
2016 Stock Repurchase Program
Class of Stock [Line Items]
Share repurchase program authorized amount | $								$ 200,000,000
Shares repurchased (in shares)		0		0
Stock repurchase program remaining authorized repurchase amount | $		$ 181,400,000		$ 181,400,000