Investment in Derivative Instruments (Tables)

9 Months Ended

Jun. 30, 2024

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Derivatives Instruments, Income Statement and Balance Sheet Classification

The following table represents the approximate amount of realized and unrealized gains (losses) and changes in fair value recognized in earnings on commodity derivative contracts for the three and nine months ended June 30, 2024 and 2023 and the fair value of these derivatives as of June 30, 2024 and September 30, 2023 (in thousands):

	For the Three Months Ended June 30,
			2024						2023
	(unaudited)						(unaudited)
	Change in						Change in
Income Statement Classification	Realized Gain (Loss)		Unrealized Gain (Loss)		Total Gain (Loss)		Realized Gain (Loss)		Unrealized Gain (Loss)		Total Gain (Loss)
Cost of revenues	$	—	$	10	$	10	$	(970)	$	878	$	(92)
Interest expense, net	2,635		—		2,635		2,377		—		2,377
Total	$	2,635	$	10	$	2,645	$	1,407	$	878	$	2,285

	For the Nine Months Ended June 30,
			2024						2023
	(unaudited)						(unaudited)
	Change in						Change in
Income Statement Classification	Realized Gain (Loss)		Unrealized Gain (Loss)		Total Gain (Loss)		Realized Gain (Loss)		Unrealized Gain (Loss)		Total Gain (Loss)
Cost of revenues	$	(61)	$	(184)	$	(245)	$	(2,027)	$	(1,408)	$	(3,435)
Interest expense, net	7,919		—		7,919		5,719		—		5,719
Total	$	7,858	$	(184)	$	7,674	$	3,692	$	(1,408)	$	2,284

	June 30, 2024		September 30, 2023
Balance Sheet Classification	(unaudited)
Prepaid expenses and other current assets - commodity swaps	$	—	$	204
Other assets - interest rate swaps (1)	20,452		26,909
Accrued expense and other current liabilities - commodity swaps	—		(20)
Net unrealized gain position	$	20,452	$	27,093

(1) Includes designated cash flow hedge of $20.5 million and $26.9 million as of June 30, 2024 and September 30, 2023, respectively.