Variable Interest Entities - World Energy (Details) $ in Millions	1 Months Ended		3 Months Ended
	Jan. 31, 2024 USD ($)	Nov. 30, 2023 renewal	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Sep. 30, 2023 USD ($)
Variable Interest Entity [Line Items]
Financing receivables			$ 1,119.1		$ 817.2
Financing receivables progress payments			301.8	$ 0.0
Sustainable Aviation Fuel Facility - World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary
Variable Interest Entity [Line Items]
Financing receivables			210.0
Term of project agreement (in years)		15 years
Number of renewal terms of project agreement | renewal		2
Project agreement, renewal term (in years)		5 years
Variable interest entity, reporting entity involvement, maximum loss exposure, amount			1,900.0
Variable interest entity, reporting entity involvement, maximum loss exposure, purchase commitments, amount			350.0
Variable interest entity, reporting entity involvement, maximum loss exposure, investment in financing receivables, amount			300.0
Sustainable Aviation Fuel Facility - World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Subsequent event
Variable Interest Entity [Line Items]
Financing receivables progress payments	$ 90.0
Sustainable Aviation Fuel Facility - World Energy, LLC | Variable Interest Entity, Not Primary Beneficiary | Property, Plant and Equipment
Variable Interest Entity [Line Items]
Variable interest entity, reporting entity involvement, maximum loss exposure, project-related spending, amount			$ 1,300.0