Investments in Affiliated Companies (Investments and Distributions) (Details 3) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Schedule of Equity Method Investments [Line Items]
Asset Impairment Charges	$ 3.6	$ 0.0	$ 1.5
Proceeds from Equity Method Investment, Distribution	50.0	50.0	25.0
Rail North America [Member]
Schedule of Equity Method Investments [Line Items]
Asset Impairment Charges	3.6	0.0	0.0
Rail International [Member]
Schedule of Equity Method Investments [Line Items]
Asset Impairment Charges	0.0	0.0	0.3
Portfolio Management [Member]
Schedule of Equity Method Investments [Line Items]
Asset Impairment Charges	0.0	0.0	1.2
Proceeds from Equity Method Investment, Distribution	$ 50.0	$ 50.0	$ 25.0