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ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022 | Sep. 30, 2022
Changes in foreign currency translation |  |  |  |  |
Beginning accumulated foreign currency translation | $ 224 | $ 249 | $ 222 | $ 262 |
Change in cumulative translation adjustment before reclassifications | 15 | (108) | 17 | (121) |
Income taxes | 0 | 0 | 0 | 0 |
Net current period other comprehensive income (loss) | 15 | (108) | 17 | (121) |
Ending accumulated foreign currency translation | 239 | 141 | 239 | 141 |
Changes in retirement plans |  |  |  |  |
Beginning accumulated retirement plans benefit income (cost) | 1,032 | (230) | 1,072 | (230) |
Amortization of net actuarial gain | (20) | 0 | (60) | 0 |
Income taxes | 0 | 0 | 0 | 0 |
Net current period other comprehensive loss | (20) | 0 | (60) | 0 |
Ending accumulated retirement plans benefit income (cost) | 1,012 | (230) | 1,012 | (230) |
Accumulated other comprehensive income (loss), net of taxes | $ 1,251 | $ (89) | $ 1,251 | $ (89) | $ 1,294

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