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Supplemental Information (Uzbekistan Asset Purchase) (Details) - USD ($) $ in Millions | May 25, 2023 | Jun. 30, 2025 | Sep. 30, 2024
--- | --- | --- | ---
Asset Acquisition [Line Items] |  |  |
Financing receivables |  | $ 983.3 | $ 1,220.2
Natural Gas-To-Syngas Processing Facility |  |  |
Asset Acquisition [Line Items] |  |  |
Price of acquisition | $ 1,000.0 |  |
Term of project agreement (in years) | 15 years |  |
Financing receivables |  | $ 983.0 | $ 920.0

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