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Acquisitions - Narrative (Details) - USD ($) $ in Millions |  |  | 6 Months Ended
--- | --- | --- | ---
Jan. 27, 2022 | Sep. 01, 2021 | Mar. 31, 2022
UGI Corporation Senior Credit Facility |  |  |
Business Acquisition [Line Items] |  |  |
Issuance of debt |  | $ 215 |
Stonehenge |  |  |
Business Acquisition [Line Items] |  |  |
Enterprise value | $ 190 |  |
Mountaineer |  |  |
Business Acquisition [Line Items] |  |  |
Enterprise value |  | 540 |
Assumption of debt |  | $ 140 |
Goodwill decrease |  |  | $ 5

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