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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Thousands | 12 Months Ended
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Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2022
Trade Receivables and Allowance for Doubtful Accounts [Abstract] |  |  |
Period past due for which a finance charge may be applied | 30 days |  |
Research and Development Expenses [Abstract] |  |  |
Research and development costs | $ 15,960 | $ 15,560 | $ 15,536
Other Nonoperating Income (Expense) |  |  |
Foreign Currency [Abstract] |  |  |
Exchange loss due to highly inflationary accounting | 1,027 | 1,360 |
Turkish Subsidiaries |  |  |
Foreign Currency [Abstract] |  |  |
Net monetary assets | $ 5,327 | $ 4,271 |
Minimum |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |
Useful lives of intangibles | 2 years |  |
Maximum |  |  |
Goodwill and Other Intangible Assets [Abstract] |  |  |
Useful lives of intangibles | 15 years |  |
Buildings | Minimum |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Useful lives of PPE | 10 years |  |
Buildings | Maximum |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Useful lives of PPE | 45 years |  |
Machinery, equipment and other | Minimum |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Useful lives of PPE | 3 years |  |
Machinery, equipment and other | Maximum |  |  |
Property, Plant and Equipment [Abstract] |  |  |
Useful lives of PPE | 12 years |  |

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