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PENSION AND OTHER POSTRETIREMENT PLANS (Tables) | 12 Months Ended
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Sep. 30, 2024
Retirement Benefits [Abstract] |
Reconciliation of Benefit Obligations, Plan Assets and Funded Status of Pension Plans | The following provides a reconciliation of benefit obligations, plan assets and funded status of the plans as of the Company's actuarial valuation as of September 30, 2024 and 2023:
| Pension |  | Other Postretirement
| 2024 |  | 2023 |  | 2024 |  | 2023
Change in benefit obligation: |  |  |  |  |  |  |
Benefit obligation, beginning of year | $ | 12,896 |  |  | $ | 36,609 |  |  | $ | 12,375 |  |  | $ | 12,813 |
Service cost | 125 |  |  | 163 |  |  | 55 |  |  | 76 |
Interest cost | 530 |  |  | 497 |  |  | 684 |  |  | 644 |
Actuarial loss (gain) | 1,100 |  |  | (512) |  |  | 777 |  |  | (641) |
Settlement | — |  |  | (24,242) |  |  | — |  |  | — |
Exchange loss | 645 |  |  | 979 |  |  | — |  |  | — |
Benefit payments | (584) |  |  | (598) |  |  | (513) |  |  | (517) |
Benefit obligation, end of year (1) | 14,712 |  |  | 12,896 |  |  | 13,378 |  |  | 12,375 |
Change in plan assets: |  |  |  |  |  |  |
Fair value, beginning of year | — |  |  | — |  |  | — |  |  | — |
Benefit payments | (584) |  |  | (598) |  |  | (513) |  |  | (517) |
Employer contributions | 584 |  |  | 24,840 |  |  | 513 |  |  | 517 |
Settlement | — |  |  | (24,242) |  |  | — |  |  | — |
Fair value, end of year | — |  |  | — |  |  | — |  |  | — |
Funded status | (14,712) |  |  | (12,896) |  |  | (13,378) |  |  | (12,375) |
Unrecognized actuarial gain | (1,453) |  |  | (1,518) |  |  | (4,407) |  |  | (5,906) |
Unrecognized prior service credit | — |  |  | — |  |  | (591) |  |  | (956) |
Net amount recognized | $ | (16,165) |  |  | $ | (14,414) |  |  | $ | (18,376) |  |  | $ | (19,237) |
Amounts recognized in the consolidated balance sheet: |  |  |  |  |  |  |
Current liability | $ | — |  |  | $ | (68) |  |  | $ | (872) |  |  | $ | (876) |
Noncurrent benefit liability | (14,712) |  |  | (12,828) |  |  | (12,506) |  |  | (11,499) |
Accumulated other comprehensive income | (1,453) |  |  | (1,518) |  |  | (4,998) |  |  | (6,862) |
Net amount recognized | $ | (16,165) |  |  | $ | (14,414) |  |  | $ | (18,376) |  |  | $ | (19,237) |
Amounts recognized in accumulated |  |  |  |  |  |  |
other comprehensive income: |  |  |  |  |  |  |
Net actuarial gain | $ | (1,453) |  |  | $ | (1,518) |  |  | $ | (4,407) |  |  | $ | (5,906) |
Prior service credit | — |  |  | — |  |  | (591) |  |  | (956) |
Net amount recognized | $ | (1,453) |  |  | $ | (1,518) |  |  | $ | (4,998) |  |  | $ | (6,862) |
(1) Gains and losses related to changes in assumptions (e.g., discount rate, mortality, etc.), salary and other experience impacted benefit obligations.
Net Periodic Pension and Other Postretirement Benefit Cost | Net periodic pension and other postretirement benefit cost for the plans included the following:
| Pension |  | Other Postretirement
| 2024 |  | 2023 |  | 2022 |  | 2024 |  | 2023 |  | 2022
Service cost | $ | 125 |  |  | $ | 163 |  |  | $ | 392 |  |  | $ | 55 |  |  | $ | 76 |  |  | $ | 165 |
Interest cost * | 530 |  |  | 497 |  |  | 1,127 |  |  | 684 |  |  | 644 |  |  | 411 |
Expected return on plan assets * | — |  |  | — |  |  | (1,040) |  |  | — |  |  | — |  |  | — |
Amortization: |  |  |  |  |  |  |  |  |  |  |
Prior service cost (credit) | — |  |  | — |  |  | (152) |  |  | (364) |  |  | (364) |  |  | (364) |
Net actuarial (gain) loss * | (53) |  |  | (64) |  |  | 469 |  |  | (722) |  |  | (708) |  |  | — |
Settlement* | — |  |  | 1,271 |  |  | 30,856 |  |  | — |  |  | — |  |  | — |
Net benefit cost | $ | 602 |  |  | $ | 1,867 |  |  | $ | 31,652 |  |  | $ | (347) |  |  | $ | (352) |  |  | $ | 212 |
* Non-service components of pension and postretirement expense are included in other income (deductions), net.
Weighted-Average Assumptions for Principal Retirement and Other Postretirement Benefit Plans | The weighted-average assumptions for those plans were:
| Pension |  | Other Postretirement
| 2024 |  | 2023 |  | 2022 |  | 2024 |  | 2023 |  | 2022
Discount rate | 3.51 | % |  | 4.13 | % |  | 4.01 | % |  | 4.99 | % |  | 5.86 | % |  | 5.37 | %
Benefit Payments Expected to be Paid | Benefit payments expected to be paid are as follows:
Years ending September 30: | Pension Benefits |  | Other Postretirement Benefits
2025 | $ | 646 |  |  | $ | 872 |
2026 | 650 |  |  | 886 |
2027 | 659 |  |  | 887 |
2028 | 671 |  |  | 894 |
2029 | 692 |  |  | 894 |
2030-2034 | 3,699 |  |  | 4,303 |
| $ | 7,017 |  |  | $ | 8,736 |

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