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Investments in Affiliated Companies (Future Debt Maturities) (Details 8) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Schedule of Equity Method Investments [Line Items]
Investments in Affiliated Companies	$ 663.3	$ 627.0	$ 575.1
2025	632.4
2026	602.3
2027	836.1
2028	730.7
2029	674.4
Thereafter	4,795.0
Total debt principal	8,270.9	$ 7,450.6
RRPF Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items]
2025	366.0
2026	465.6
2027	427.9
2028	438.0
2029	75.0
Thereafter	1,024.0
Total debt principal	$ 2,796.5
Rail North America [Member]
Schedule of Equity Method Investments [Line Items]
Investments in Affiliated Companies			$ 0.8