Employee Benefit Plans (Pension Plans with Obligations in Excess of Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 199.0	$ 294.5
Pension Benefits
Defined Benefit Plan Disclosure [Line Items]
Projected benefit obligation	276.9	423.4	$ 443.6
Fair value of plan assets	159.2	294.5
Accumulated benefit obligation	$ 171.9	$ 305.0