Stock-Based Compensation (Fair Value and Tax Deductions of Restricted Stock Units Vested) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Realized tax benefits from tax deductions	$ 8.0	$ 5.2	$ 0.6
Restricted Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Fair value of shares or units distributed	17.3	15.0	9.7
Realized tax benefits from tax deductions	$ 4.2	$ 3.7	$ 2.4