Employee Benefit Plans (Contributions to Defined Contribution Plans) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Contributions to defined contribution plans	$ 22.5	$ 22.7	$ 19.9
UNITED STATES
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percentage Of Projected Benefit Obligation By Pension Plans	86.00%
Plan assets (as a percent)	84.00%