Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 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 three and six months ended March 31, 2024 and March 31, 2023:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2024		2023		2024		2023
Petroleum Products:
Home heating oil and propane	$	508,155	$	566,457	$	859,369	$	1,001,980
Other petroleum products		87,143		102,755		184,479		237,161
Total petroleum products		595,298		669,212		1,043,848		1,239,141
Installations and Services:
Equipment installations		26,224		25,208		60,539		57,997
Equipment maintenance service contracts		29,386		28,961		58,302		57,677
Billable call services		15,124		14,236		31,439		30,989
Total installations and services		70,734		68,405		150,280		146,663
Total Sales	$	666,032	$	737,617	$	1,194,128	$	1,385,804

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		3,672
Write-offs, net and other		(3,151	)
Balance as of March 31, 2024	$	8,896