Provision for Income Taxes (Tables)

12 Months Ended

Sep. 30, 2025

Income Tax Disclosure [Abstract]

Schedule of Income Tax Expense (Benefit)

The provision for income taxes (benefit) for the fiscal years ended September 30, 2025, 2024 and 2023 consisted of the following (in thousands):

	For the Fiscal Year Ended  September 30,
	2025		2024		2023
Current
U.S. Federal	$	(500)	$	(2,124)	$	3,520
State	5,785		2,604		1,718
Total current	5,285		480		5,238
Deferred
U.S. Federal	29,875		19,043		9,959
State	(2,414)		3,638		1,206
Total deferred	27,461		22,681		11,165
Provision for income taxes	$	32,746	$	23,161	$	16,403

Schedule of Deferred Tax Assets and Liabilities

The Company’s deferred tax assets and liabilities consisted of the following temporary difference tax effects at September 30, 2025 and 2024 (in thousands):

	September 30,
	2025		2024
Deferred tax assets
Amortization of finite-lived intangible assets	$	1,106	$	1,082
Federal net operating loss carryforward	7,896		4,099
Federal interest limitation carryforward	26,811		6,198
State net operating loss carryforward	3,496		3,160
Employee benefits	12,811		7,959
Other	5,072		3,846
Total gross deferred tax assets	57,192		26,344
Valuation Allowance	—		—
Net deferred tax assets	57,192		26,344
Deferred tax liabilities
Amortization of goodwill	(23,034)		(11,860)
Property, plant and equipment	(112,326)		(66,216)
Interest rate swap contract	(1,906)		(2,115)
Other	(5)		(5)
Total deferred tax liabilities	(137,271)		(80,196)
Net deferred tax liabilities	$	(80,079)	$	(53,852)

Schedule of Reconciliation of Net Deferred Tax Assets (Liabilities)

The following is a reconciliation of net deferred tax assets (liabilities) to amounts reflected on the Company’s Consolidated Balance Sheets at September 30, 2025 and 2024 (in thousands):

	September 30,
	2025		2024
Asset: Deferred income taxes, net	$	—	$	—
Liability: Deferred income taxes, net	(80,079)		(53,852)
Net deferred tax liabilities	$	(80,079)	$	(53,852)

Schedule of Effective Income Tax Rate Reconciliation

The following table reconciles income taxes based on the U.S. federal statutory tax rate to the Company’s income before provision for income taxes for the fiscal years ended September 30, 2025, 2024 and 2023 (in thousands):

	For the Fiscal Year Ended  September 30,
	2025		2024		2023
Provision for income tax at federal statutory rate	$	27,352	$	19,340	$	13,735
State income taxes	2,891		2,817		2,222
Permanent differences	2,503		983		348
Other	—		21		98
Provision for income taxes	$	32,746	$	23,161	$	16,403