Capital Stock and Equity Compensation (Stockholders Equity) (Details) - USD ($) $ / shares in Units, $ in Millions	1 Months Ended
	Apr. 30, 2024	Mar. 31, 2024	Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]
Treasury stock acquired (in shares)	70,893	1,500
Treasury stock average cost (in dollars per share)	$ 108.79	$ 109.92
Treasury stock acquired, publicly announced plans or programs (in shares)	70,893	1,500
Remaining authorized stock repurchase amount	$ 116.2	$ 23.8	$ 116.2