Stock-Based Compensation (Unrecognized Stock-Based Compensation Expense) (Details) $ in Millions	12 Months Ended
	Dec. 31, 2024 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax benefit related to the stock-based compensation expense	$ 74.6
Expected amortization period (months)	29 months
Restricted stock units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax benefit related to the stock-based compensation expense	$ 50.2
Expected amortization period (months)	30 months
Performance share awards [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax benefit related to the stock-based compensation expense	$ 0.1
Expected amortization period (months)	17 months
Market Stock Units [Member]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Income tax benefit related to the stock-based compensation expense	$ 24.3
Expected amortization period (months)	26 months