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Employee Benefit Plans (Schedule of Fair Value of Pension Plan Assets) (Details) - USD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | --- | --- | ---
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | $ 187.8 | $ 175.8 | $ 227.7 | $ 215.3
Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 47.7 | 39.8 |  |
Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 120.0 | 104.8 |  |
Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 7.3 | 22.1 |  |
Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 12.8 | 9.1 |  |
Level 1 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 153.5 | 125.1 |  |
Level 1 | Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 46.3 | 25.9 |  |
Level 1 | Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 107.2 | 99.2 |  |
Level 1 | Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 1 | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 2 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 21.5 | 41.6 |  |
Level 2 | Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 1.4 | 13.9 |  |
Level 2 | Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 12.8 | 5.6 |  |
Level 2 | Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 7.3 | 22.1 |  |
Level 2 | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 6.9 | 0.0 |  |
Level 3 | Fixed income |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Equities |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Stable value funds |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 0.0 | 0.0 |  |
Level 3 | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 6.9 | 0.0 |  |
Assets Measured at NAV |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | 5.9 | 9.1 |  |
Assets Measured at NAV | Money market funds, cash and other |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |
Total investments at fair value | $ 5.9 | $ 9.1 |  |

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