Leases (Tables)

12 Months Ended

Sep. 30, 2025

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
	2025		2024
Operating Lease Expense	$	12,723	$	11,827
Variable Lease Expense(1)	581		601
Short-Term Lease Expense(2)	719		299
Total Lease Expense	$	14,023	$	12,727
Lease Costs Recorded to Property, Plant and Equipment(3)	$	20,878	$	20,143

(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 exploration and production 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
	2025		2024
Assets:
Deferred Charges	$	41,317	$	44,206
Liabilities:
Other Accruals and Current Liabilities	$	11,479	$	11,518
Other Liabilities	$	29,683	$	32,616

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, 2025 (in thousands):

	At September 30, 2025
2026	$	11,773
2027	10,779
2028	9,282
2029	5,774
2030	3,306
Thereafter	6,408
Total Lease Payments	47,322
Less: Interest	(6,160)
Total Lease Liability	$	41,162