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DEBT (Tables) | 12 Months Ended
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Sep. 30, 2024
Debt Disclosure [Abstract] |
Schedule of Carrying Values of Company's 2026 Notes | The carrying values of the 0.75% convertible notes due 2026 issued by the Company in an initial aggregate principal amount of $155.3 million (the “2026 Notes”) are as follows as of September 30, 2024 and 2023 (amounts in thousands):
| 2024 |  | 2023
2026 Notes: |  |  |
Principal amount | $ | 155,250 |  |  | $ | 155,250 |
Less: unamortized discount and issuance costs, net of amortization | (11,649) |  |  | (19,734) |
Carrying amount | $ | 143,601 |  |  | $ | 135,516 |
Schedule of Interest Costs Recognized Related to 2026 Notes | The following table presents the total amount of interest cost recognized relating to the 2026 Notes (amounts in thousands):
|  | Twelve Months Ended September 30,
|  | 2024 |  | 2023 |  | 2022
Contractual interest expense |  | $ | 1,174 |  |  | $ | 1,615 |  |  | $ | 1,179 |
Amortization of debt discount and issuance costs |  | 8,085 |  |  | 7,546 |  |  | 7,053 |
Total interest expense recognized |  | $ | 9,259 |  |  | $ | 9,161 |  |  | $ | 8,232 |
Schedule of Maturities of Principal Amounts of Our Other Borrowings | Maturities of principal amounts of our other borrowings as of September 30, 2024 were as follows (amounts in thousands):
| Principal Amounts
2025 | $ | 279 |
2026 | 266 |
2027 | 385 |
2028 | 525 |
2029 | 356 |
Thereafter | 886 |
Total | $ | 2,697 |

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