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Revenue Recognition (Tables) | 12 Months Ended
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Sep. 30, 2024
Revenue from Contract with Customer [Abstract] |
Summary of Disaggregation of Revenue by Major Sources | The following disaggregates our revenue by major sources for the years ended September 30, 2024, 2023 and 2022:
| Years Ended September 30, |
(in thousands) | 2024 |  |  | 2023 |  |  | 2022 |
Petroleum Products: |  |  |  |  |  |  |  |
Home heating oil and propane | $ | 1,081,985 |  |  | $ | 1,202,194 |  |  | $ | 1,170,552 |
Motor fuel and other petroleum products |  | 366,807 |  |  |  | 448,547 |  |  |  | 527,729 |
Total petroleum products |  | 1,448,792 |  |  |  | 1,650,741 |  |  |  | 1,698,281 |
Installations and Services: |  |  |  |  |  |  |  |
Equipment installations |  | 123,493 |  |  |  | 114,756 |  |  |  | 121,023 |
Equipment maintenance service contracts |  | 129,478 |  |  |  | 126,887 |  |  |  | 121,623 |
Billable call services |  | 64,336 |  |  |  | 60,478 |  |  |  | 65,631 |
Total installations and services |  | 317,307 |  |  |  | 302,121 |  |  |  | 308,277 |
Total Sales | $ | 1,766,099 |  |  | $ | 1,952,862 |  |  | $ | 2,006,558 |
Summary of Changes in Allowance for Credit Losses | Changes in the allowance for credit losses are as follows:
(in thousands) | Credit Loss Allowance |
Balance at September 30, 2023 | $ | 8,375 |
Current period provision |  | 8,042 |
Write-offs, net and other |  | (9,983 | )
Balance as of September 30, 2024 | $ | 6,434 |

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