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BUSINESS COMBINATIONS - Schedule of Estimated Fair Values of Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands | Jun. 30, 2023 | Sep. 30, 2022 | Jun. 30, 2022
--- | --- | --- | ---
Business Acquisition [Line Items] |  |  |
Goodwill | $ 131,535 | $ 120,186 | $ 127,163
HooYu |  |  |
Business Acquisition [Line Items] |  |  |
Accounts receivable | 1,234 |  |
Property, plant, and equipment | 504 |  |
Other current assets | 630 |  |
Intangible assets | 73,100 |  |
Goodwill | 74,206 |  |
Current liabilities | (2,264) |  |
Deferred revenue | (2,612) |  |
Deferred income tax liabilities | (16,896) |  |
Net assets acquired | $ 127,902 |  |

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