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Cash, Cash Equivalents and Marketable Securities (Tables) | 12 Months Ended
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Sep. 30, 2025
Cash and Cash Equivalents [Abstract] |
Schedule of Cash, Cash Equivalent, and Investment | The following is a summary of cash, cash equivalents and marketable securities at September 30, 2025 and 2024:
| September 30, 2025 |  | September 30, 2024
| Amortized Cost |  | Fair Value |  | Amortized Cost |  | Fair Value
| (In thousands)
Cash and Cash Equivalents: |  |  |  |  |  |  |
Cash | $ | 134,130 |  |  | $ | 134,130 |  |  | $ | 142,768 |  |  | $ | 142,768 |
Money market funds | 6 |  |  | 6 |  |  | 731 |  |  | 731 |
Bank time deposits | — |  |  | — |  |  | 7,168 |  |  | 7,168 |
Total | $ | 134,136 |  |  | $ | 134,136 |  |  | $ | 150,667 |  |  | $ | 150,667 |
Marketable Securities: |  |  |  |  |  |  |
Marketable securities | $ | 40,603 |  |  | $ | 54,625 |  |  | $ | 36,044 |  |  | $ | 45,289 |

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- Definition Tabular disclosure of cash, cash equivalent, and investment. + References No definition available. + Details
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