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DERIVATIVES AND HEDGING ACTIVITIES - Cross Currency Swaps (Details) - Net Investment Hedging - Designated as Hedging Instrument - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Sep. 30, 2024 | Sep. 30, 2023
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount | $ 146,392 | $ 81,392
Unrealized Losses Recognized in AOCI | (6,379) | (2,065)
USD Euro Exchange Future |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount | 81,392 | 81,392
Unrealized Losses Recognized in AOCI | (5,440) | (2,065)
USD Sweden Exchange Future |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount | 20,000 | 0
Unrealized Losses Recognized in AOCI | (468) | 0
USD Singapore Exchange Future |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount | 20,000 | 0
Unrealized Losses Recognized in AOCI | (441) | 0
USD Euro Exchange Future |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Notional amount | 25,000 | 0
Unrealized Losses Recognized in AOCI | (30) | 0
Cross-Currency Swaps |  |
Derivative Instruments and Hedging Activities Disclosures [Line Items] |  |
Net investment hedge, gain (loss), after reclassification, tax | $ (2,156) | $ (701)

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