Leases (Tables)

12 Months Ended

Sep. 30, 2023

Leases [Abstract]

Components of Operating Lease Costs

The following table summarizes the components of the Company’s total operating lease costs (in thousands):

	Year Ended September 30
	2023		2022
Operating Lease Expense	$	7,484	$	4,909
Variable Lease Expense(1)	507		462
Short-Term Lease Expense(2)	1,694		461
Sublease Income	—		(166)
Total Lease Expense	$	9,685	$	5,666
Lease Costs Recorded to Property, Plant and Equipment(3)	$	24,018	$	19,839

(1)Variable lease payments that are not dependent on an index or rate are not included in the lease liability.

(2)Short-term lease costs exclude expenses related to leases with a lease term of one month or less.

(3)Lease costs relating to drilling rig leases that are capitalized as part of oil and natural gas properties under full cost pool accounting as well as certain equipment leases used on construction projects.

Balance Sheet Information Related to Operating Leases

The following amounts related to operating leases were recorded on the Company’s Consolidated Balance Sheet (in thousands):

	Year Ended September 30
	2023		2022
Assets:
Deferred Charges	$	39,664	$	37,120
Liabilities:
Other Accruals and Current Liabilities	$	9,969	$	14,239
Other Liabilities	$	29,510	$	22,881

Schedule of Operating Lease Liability Maturities

The following schedule of operating lease liability maturities summarizes the undiscounted lease payments owed by the Company to lessors pursuant to contractual agreements in effect as of September 30, 2023 (in thousands):

	At September 30, 2023
2024	$	10,187
2025	8,791
2026	6,557
2027	5,809
2028	5,195
Thereafter	9,971
Total Lease Payments	46,510
Less: Interest	(7,031)
Total Lease Liability	$	39,479