Shareholders' Equity (Narrative) (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Equity [Abstract]
Number of shares authorized to be repurchased	10.1
Purchase of treasury stock	$ 144.0	$ 441.3
Treasury stock acquired, Shares,	1.7	7.2
Treasury Stock Acquired, Average Cost Per Share	$ 83.42	$ 61.5
Common stock reissued	2.9	2.9