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v3.25.3

Segment Reporting - Summary of Segment Financial Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Jun. 30, 2025 | Mar. 31, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Mar. 31, 2024 | Dec. 31, 2023 | Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2023
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  | $ 247,692 | $ 305,618 | $ 743,045 | $ 488,063 | $ 240,331 | $ 331,640 | $ 666,032 | $ 528,096 | $ 1,784,418 | $ 1,766,099 | $ 1,952,862
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  |  |  |  | 30,518 | 28,405 | 25,780
Finance charge income |  |  |  |  |  |  |  |  |  | (4,915) | (4,576) | (5,515)
Adjusted EBITDA |  |  |  |  |  |  |  |  |  | 136,433 | 111,614 | 96,872
(Increase) decrease in the fair value of derivative instruments | [1] |  |  |  |  |  |  |  |  | (13,390) | 19,018 | 1,977
Depreciation and amortization expenses |  |  |  |  |  |  |  |  |  | 35,352 | 31,494 | 32,350
Operating income |  | (40,943) | (19,177) | 125,372 | 49,219 | (48,559) | (12,291) | 100,331 | 21,621 | 114,471 | 61,102 | 62,545
Interest expense, net |  |  |  |  |  |  |  |  |  | (14,323) | (11,560) | (15,532)
Amortization of debt issuance costs |  |  |  |  |  |  |  |  |  | (1,068) | (988) | (1,084)
Other income, net | [2] |  |  |  |  |  |  |  |  | 3,822 | 0 | 0
Income before income taxes |  |  |  |  |  |  |  |  |  | 102,902 | 48,554 | 45,929
Income tax expense |  |  |  |  |  |  |  |  |  | 29,407 | 13,331 | 13,984
Net income |  | $ (28,671) | $ (16,629) | $ 85,911 | $ 32,884 | $ (35,086) | $ (11,044) | $ 68,374 | $ 12,979 | 73,495 | 35,223 | 31,945
Home heating oil and propane |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  |  |  |  |  |  |  |  |  | 1,119,777 | 1,081,985 | 1,202,194
Motor fuel and other petroleum products |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  |  |  |  |  |  |  |  |  | 317,824 | 366,807 | 448,547
Petroleum products |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  |  |  |  |  |  |  |  |  | 1,437,601 | 1,448,792 | 1,650,741
Equipment installations |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  |  |  |  |  |  |  |  |  | 135,149 | 123,493 | 114,756
Services |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  |  |  |  |  |  |  |  |  | 211,668 | 193,814 | 187,365
Installations and services |  |  |  |  |  |  |  |  |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Total sales |  |  |  |  |  |  |  |  |  | 346,817 | 317,307 | 302,121
Cost of product |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 912,391 | 980,831 | 1,204,184
Cost of installations |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 110,915 | 100,938 | 95,196
Cost of service |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 198,246 | 182,506 | 182,731
Delivery expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 116,136 | 105,696 | 108,896
Operations expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 75,035 | 68,724 | 69,774
Garage and plant expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 44,889 | 41,822 | 39,746
Sales and marketing expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 53,790 | 50,126 | 48,144
Customer service and credit expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 52,027 | 51,230 | 52,578
Insurance related expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 39,982 | 41,690 | 35,163
Information technology expenses |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | 15,863 | 14,591 | 11,813
Weather hedge contracts (gain) loss |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses: |  |  |  |  |  |  |  |  |  |  |  |
Cost and expenses |  |  |  |  |  |  |  |  |  | $ 3,108 | $ (7,498) | $ (12,500)
[1] | Represents the change in value of unrealized open positions and expired options.
[2] | See Note 2 – Summary of Significant Accounting Policies - Other Income, Net.

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