Equity (Narrative) (Details) - USD ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Equity [Abstract]
Treasury Stock, Value, Acquired, Cost Method	$ 27.0	$ 227.0	$ 81.0
Common stock par value	$ 0.01
Stockholders' Equity Attributable to Noncontrolling Interest	$ 90.0	90.0	90.0	$ 0.0
Net income attributable to noncontrolling interest	$ 7.0	$ 7.0	$ 4.0