Equity (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2021
Equity, Class of Treasury Stock [Line Items]
Stockholders' Equity Attributable to Noncontrolling Interest	$ 90.0	$ 90.0	$ 90.0	$ 90.0	$ 90.0	$ 90.0	$ 90.0	$ 0.0
Net Income (Loss) Attributable to Noncontrolling Interest	2.0	$ 1.0	3.0	$ 1.0	$ 4.0
Share Repurchase Program [Member]
Equity, Class of Treasury Stock [Line Items]
Stock Repurchase Program, Authorized Amount	$ 400.0		$ 400.0
Common Stock Held In Treasury [Member]
Equity, Class of Treasury Stock [Line Items]
Treasury Stock, Shares, Acquired			722,774	219,116