GOODWILL AND INTANGIBLE ASSETS - Schedule of Intangible Assets Arising from Business Acquisitions (Details) - USD ($) $ in Thousands |
Dec. 31, 2024 |
Sep. 30, 2024 |
|---|---|---|
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Gross Carrying Amount | $ 96,961 | $ 96,961 |
| Accumulated Amortization | 44,414 | 42,814 |
| Net | $ 52,547 | 54,147 |
| Developed technology | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Weighted Average Estimated Useful Lives | 15 years | |
| Gross Carrying Amount | $ 89,096 | 89,096 |
| Accumulated Amortization | 41,536 | 40,047 |
| Net | $ 47,560 | 49,049 |
| Intellectual property | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Weighted Average Estimated Useful Lives | 13 years | |
| Gross Carrying Amount | $ 2,000 | 2,000 |
| Accumulated Amortization | 702 | 662 |
| Net | $ 1,298 | 1,338 |
| Trade name | ||
| Acquired Finite-Lived Intangible Assets [Line Items] | ||
| Weighted Average Estimated Useful Lives | 20 years | |
| Gross Carrying Amount | $ 5,865 | 5,865 |
| Accumulated Amortization | 2,176 | 2,105 |
| Net | $ 3,689 | $ 3,760 |