Debt (Details Textual) € in Millions, ₨ in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2025 USD ($)	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)	Dec. 31, 2025 EUR (€)	Dec. 31, 2025 INR (₨)	Dec. 31, 2024 EUR (€)
Line of Credit Facility [Line Items]
Annual commitment fees	$ 1.9	$ 1.3	$ 1.1
Fixed charge coverage ratio	2.0
Minimum debt covenant fixed charge coverage ratio	1.2
Amount of secured debt available to be borrowed in accordance with public debt covenants	$ 3,500.0
Total debt principal	$ 12,505.6	8,270.9
GABX
Line of Credit Facility [Line Items]
Minimum debt covenant fixed charge coverage ratio	1.2
GABX | Minimum [Member]
Line of Credit Facility [Line Items]
Fixed charge coverage ratio	0.85
GABX | Maximum [Member]
Line of Credit Facility [Line Items]
Fixed charge coverage ratio	1.0
Foreign Line of Credit [Member]
Line of Credit Facility [Line Items]
Unsecured revolving credit facility | €				€ 250		€ 210
Line of Credit Facility, Remaining Borrowing Capacity	$ 205.0
Total debt principal	1,178.0
Line of Credit Facility, Current Borrowing Capacity | €				€ 275
Line of Credit US [Member]
Line of Credit Facility [Line Items]
Unsecured revolving credit facility	632.0	600.0
Line of Credit US [Member] | GABX
Line of Credit Facility [Line Items]
Unsecured revolving credit facility	250.0
Second Line of Credit US
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	368.0
Second Line of Credit US | GABX
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	250.0
Revolving Credit Facility
Line of Credit Facility [Line Items]
Unsecured revolving credit facility	368.0
Rail India Facility
Line of Credit Facility [Line Items]
Line of Credit Facility, Remaining Borrowing Capacity	22.3				₨ 2,000.0
Cash Flow Hedging [Member] | Interest Rate Swap | Designated as Hedging Instrument [Member] | Joint Venture With Brookfield
Line of Credit Facility [Line Items]
Derivative, Notional Amount	2,960.0
Second Line of Credit US
Line of Credit Facility [Line Items]
Unsecured revolving credit facility	$ 368.0	$ 350.0