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EMPLOYEE BENEFIT PLANS (Tables)

12 Months Ended

Sep. 30, 2024

Retirement Benefits [Abstract]

Schedule of Reconciliation of the Changes in the Pension Benefit Obligations and Fair Value of Pension Plan Assets

The following table provides a reconciliation of the changes in the pension benefit obligations and fair value of Pension Plan assets over the two-year period ended September 30, 2024 and a statement of the funded status as of September 30, 2024 and 2023:

			September 30,
(in thousands)			2024						2023
Accumulated benefit obligation			$	57,154					$	54,646
Changes in projected benefit obligations:
Projected benefit obligation at beginning of year			$	54,646					$	60,463
Interest cost			3,009						3,086
Actuarial loss (gain)			2,885						(4,940)
Benefits paid			(3,386)						(3,963)
Projected benefit obligation at end of year			$	57,154					$	54,646
Change in plan assets:
Fair value of plan assets at beginning of year			$	43,780					$	41,764
Actual return on plan assets			7,127						979
Employer contribution			6,000						5,000
Benefits paid			(3,386)						(3,963)
Fair value of plan assets at end of year			$	53,521					$	43,780
Funded status of the plan at end of year			$	(3,633)					$	(10,866)

Schedule of Weighted Average Assumptions Used for the Pension Calculations

The weighted average assumptions used for the pension calculations were as follows:

			September 30,
			2024						2023						2022
Discount rate for net periodic benefit costs			5.77		%				5.44		%				2.75		%
Discount rate for year-end obligations			4.84		%				5.77		%				5.44		%
Expected return on plan assets			4.40		%				4.50		%				4.25		%

Schedule of Components of the Net Periodic Pension (Benefit)

Components of the net periodic pension expense were as follows:

			Year Ended September 30,
(in thousands)			2024						2023						2022
Interest cost			$	3,009					$	3,086					$	2,537
Expected return on plan assets1			(2,080)						(1,762)						(2,481)
Recognized net actuarial loss			612						1,139						2,080
Settlement expense			—						—						9,031
Net pension expense			$	1,541					$	2,463					$	11,167

(1)The Company uses the fair value of plan assets in determining the expected return on plan assets.

Schedule of Expected Benefits to be Paid from the Pension Plan in Each of the Next Five Fiscal Years and Thereafter

The following table reflects the expected benefits to be paid from the Pension Plan in each of the next five fiscal years, and in the aggregate for the five years thereafter (in thousands):

Year Ended September 30,
2025						2026						2027						2028						2029						2030 – 2034						Total
$	5,786					$	5,232					$	5,339					$	4,721					$	3,980					$	21,094					$	46,152

Schedule of Target Allocation and Asset Allocation for the Pension Plan

The target allocation for 2025 and the asset allocation for the Pension Plan at the end of fiscal years 2024 and 2023, by asset category, were as follows:

			Target Allocation						September 30,
Asset Category			2025						2024						2023
U.S. equities			4		%				10		%				17		%
International equities			5						5						12
Fixed income			91						85						71
Total			100		%				100		%				100		%

Schedule of Fair Value of Pension Plan Assets

The fair value of Pension Plan assets at September 30, 2024 and 2023, summarized by level within the fair value hierarchy described in Note 13—Fair Value Measurement of Financial Instruments, are as follows:

			September 30, 2024
(in thousands)			Total						Level 1						Level 2						Level 3
Short-term investments			$	3,369					$	3,369					$	—					$	—
Mutual funds:
Domestic stock funds			5,223						5,223						—						—
Bond funds			41,950						41,950						—						—
International stock funds			2,887						2,887						—						—
Total mutual funds			50,060						50,060						—						—
Oil and gas properties			92						—						—						92
Total			$	53,521					$	53,429					$	—					$	92

			September 30, 2023
(in thousands)			Total						Level 1						Level 2						Level 3
Short-term investments			$	1,018					$	1,018					$	—					$	—
Mutual funds:
Domestic stock funds			7,299						7,299						—						—
Bond funds			30,319						30,319						—						—
International stock funds			5,120						5,120						—						—
Total mutual funds			42,738						42,738						—						—
Oil and gas properties			24						—						—						24
Total			$	43,780					$	43,756					$	—					$	24

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