Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 2023

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, 2023 and March 31, 2022:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2023		2022		2023		2022
Petroleum Products:
Home heating oil and propane	$	566,457	$	593,475	$	1,001,980	$	899,198
Other petroleum products		102,755		118,987		237,161		224,529
Total petroleum products		669,212		712,462		1,239,141		1,123,727
Installations and Services:
Equipment installations		25,208		26,965		57,997		60,034
Equipment maintenance service contracts		28,961		27,341		57,677		54,318
Billable call services		14,236		15,775		30,989		32,734
Total installations and services		68,405		70,081		146,663		147,086
Total Sales	$	737,617	$	782,543	$	1,385,804	$	1,270,813

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, 2022	$	7,755
Current period provision		4,768
Write-offs, net and other		(1,728	)
Balance as of March 31, 2023	$	10,795