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Investments in Affiliated Companies (Operating Results, Affiliates) (Details 4) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 | Dec. 31, 2023 | Dec. 31, 2022
Schedule of Equity Method Investments [Line Items] |  |  |
Revenues | $ 1,585.5 | $ 1,410.9 | $ 1,273.0
Net Income | 284.2 | 259.2 | 155.9
Asset Impairment Charges | 0.0 | 1.5 | 48.9
RRPF Joint Ventures [Member] | Russia |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Asset Impairment Charges |  |  | 11.5
Equity Method Investment, Nonconsolidated Investee or Group of Investees [Member] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Revenues | 514.0 | 487.2 | 417.7
Gains on sales of assets | 75.2 | 91.7 | 22.9
Net Income | $ 164.0 | $ 150.6 | $ 73.9

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