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RETIREMENT PLANS - CHANGES IN BENEFIT OBLIGATIONS (Details) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2022 | Sep. 30, 2021
Change in Plan Assets: |  |
Fair value of plan assets at beginning of year | $ 12,594 |
Fair value of plan assets at end of year | 11,316 | $ 12,594
Amounts recognized in the Consolidated Balance Sheets: |  |
Noncurrent assets | 3,385 | 2,229
Noncurrent liabilities | (1,649) | (2,101)
Pension Plan |  |
Change in Projected Benefit Obligation: |  |
Benefit obligation at beginning of year | 10,365 | 10,280
Interest cost | 290 | 258
Actuarial (gain) loss | (2,418) | (15)
Benefits paid | (306) | (158)
Termination of post-retirement medical plan | 0 | 0
Benefit obligation at end of year | 7,931 | 10,365
Change in Plan Assets: |  |
Fair value of plan assets at beginning of year | 12,594 | 11,051
Actual return on plan assets | (972) | 1,701
Employer contributions | 0 | 0
Benefits paid | (306) | (158)
Fair value of plan assets at end of year | 11,316 | 12,594
Funded status | 3,385 | 2,229
Amounts recognized in the Consolidated Balance Sheets: |  |
Noncurrent assets | 3,385 | 2,229
Current liabilities | 0 | 0
Noncurrent liabilities | 0 | 0
Net amount | 3,385 | 2,229
Amounts recognized in accumulated other comprehensive income before income taxes: |  |
Net actuarial (gain) loss | (353) | 471
Accumulated other comprehensive (income) loss | (353) | 471
SERP |  |
Change in Projected Benefit Obligation: |  |
Benefit obligation at beginning of year | 2,136 | 2,031
Interest cost | 60 | 51
Actuarial (gain) loss | (478) | 63
Benefits paid | (3) | (9)
Termination of post-retirement medical plan | 0 | 0
Benefit obligation at end of year | 1,715 | 2,136
Change in Plan Assets: |  |
Fair value of plan assets at beginning of year | 0 | 0
Actual return on plan assets | 0 | 0
Employer contributions | 0 | 0
Benefits paid | 0 | 0
Fair value of plan assets at end of year | 0 | 0
Funded status | (1,715) | (2,136)
Amounts recognized in the Consolidated Balance Sheets: |  |
Noncurrent assets | 0 | 0
Current liabilities | (66) | (35)
Noncurrent liabilities | (1,649) | (2,101)
Net amount | (1,715) | (2,136)
Amounts recognized in accumulated other comprehensive income before income taxes: |  |
Net actuarial (gain) loss | (343) | 135
Accumulated other comprehensive (income) loss | (343) | 135
Post-retirement Medical |  |
Change in Projected Benefit Obligation: |  |
Benefit obligation at beginning of year | 0 | 2,839
Interest cost | 0 | 48
Actuarial (gain) loss | 0 | 0
Benefits paid | 0 | (5)
Termination of post-retirement medical plan | 0 | (2,882)
Benefit obligation at end of year | 0 | 0
Change in Plan Assets: |  |
Fair value of plan assets at beginning of year | 0 | 0
Actual return on plan assets | 0 | 0
Employer contributions | 0 | 5
Benefits paid | 0 | (5)
Fair value of plan assets at end of year | 0 | 0
Funded status | 0 | 0
Amounts recognized in the Consolidated Balance Sheets: |  |
Noncurrent assets | 0 | 0
Current liabilities | 0 | 0
Noncurrent liabilities | 0 | 0
Net amount | 0 | 0
Amounts recognized in accumulated other comprehensive income before income taxes: |  |
Net actuarial (gain) loss | 0 | 0
Accumulated other comprehensive (income) loss | $ 0 | $ 0

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