Revenue Recognition (Tables)

12 Months Ended

Sep. 30, 2022

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, 2022, 2021 and 2020:

	Years Ended September 30,
(in thousands)	2022		2021		2020
Petroleum Products:
Home heating oil and propane	$	1,170,552	$	881,526	$	924,421
Motor fuel and other petroleum products		527,729		322,793		261,605
Total petroleum products		1,698,281		1,204,319		1,186,026
Installations and Services:
Equipment installations		121,023		110,475		101,699
Equipment maintenance service contracts		121,623		118,546		120,388
Billable call services		65,631		63,746		59,345
Total installations and services		308,277		292,767		281,432
Total Sales	$	2,006,558	$	1,497,086	$	1,467,458

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, 2021	$	4,779
Current period provision		5,411
Write-offs, net and other		(2,435	)
Balance as of September 30, 2022	$	7,755