Revenue Recognition (Tables)

12 Months Ended

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