Revenue Recognition (Tables)

6 Months Ended

Mar. 31, 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 three and six months ended March 31, 2022 and March 31, 2021:

	Three Months Ended March 31,				Six Months Ended March 31,
(in thousands)	2022		2021		2022		2021
Petroleum Products:
Home heating oil and propane	$	593,475	$	466,401	$	899,198	$	707,213
Other petroleum products		118,987		72,970		224,529		132,490
Total petroleum products		712,462		539,371		1,123,727		839,703
Installations and Services:
Equipment installations		26,965		22,865		60,034		52,925
Equipment maintenance service contracts		27,341		27,045		54,318		53,913
Billable call services		15,775		14,834		32,734		30,894
Total installations and services		70,081		64,744		147,086		137,732
Total Sales	$	782,543	$	604,115	$	1,270,813	$	977,435

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		2,167
Write-offs, net and other		(165	)
Balance as of March 31, 2022	$	6,781