Long-Term Debt (Tables)
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9 Months Ended |
Jun. 30, 2025 |
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| Debt Disclosure [Abstract] |
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| Schedule of Long-Term Debt |
Long-term debt consisted of the following (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | June 30, 2025 | | | Description | | Maturity Date | | Convertible Debt Coupon Rate | | Effective Interest Rate | | Principal | | Unamortized Discount | | Deferred Issuance Costs | | Carrying Value | | | | | | | | | | | | | | | | | | | 2025 Modified Notes | | 7/1/2028 | | 1.50% | | 5.49% | | 87,500 | | | (2,017) | | | (7,701) | | | 77,782 | | | | 2028 Notes | | 7/1/2028 | | 1.50% | | 1.91% | | 122,500 | | | — | | | (1,459) | | | 121,041 | | | | Total debt | | | | | | | | $ | 210,000 | | | $ | (2,017) | | | $ | (9,160) | | | 198,823 | | | | Less: current portion of long-term debt | | | | | | | | | | | | | | — | | | | Total long-term debt | | | | | | | | | | | | | | $ | 198,823 | | |
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | September 30, 2024 | | | Description | | Maturity Date | | Convertible Debt Coupon Rate | | Effective Interest Rate | | Principal | | Unamortized Discount | | Deferred Issuance Costs | | Carrying Value | | | 2025 Modified Notes | | 6/1/2025 | | 3.00% | | 3.70% | | $ | 87,500 | | | $ | — | | | $ | (406) | | | $ | 87,094 | | | | 2025 Modified Notes | | 7/1/2028 | | 1.50% | | 8.55% | | 87,500 | | | (2,777) | | | (10,602) | | | 74,121 | | | | 2028 Notes | | 7/1/2028 | | 1.50% | | 1.91% | | 122,500 | | | — | | | (1,809) | | | 120,691 | | | | Total debt | | | | | | | | $ | 297,500 | | | $ | (2,777) | | | $ | (12,817) | | | 281,906 | | | | Less: current portion of long-term debt | | | | | | | | | | | | | | (87,094) | | | | Total long-term debt | | | | | | | | | | | | | | $ | 194,812 | | |
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| Summary of Maturities of Borrowing Obligations |
The following table summarizes the maturities of our borrowing obligations as of June 30, 2025 (in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | Fiscal Year | | 2028 Notes | | 2025 Modified Notes | | Total | | | 2025 | | $ | — | | | $ | — | | | $ | — | | | | 2026 | | — | | | — | | | — | | | | 2027 | | — | | | — | | | — | | | | 2028 | | 122,500 | | | 87,500 | | | 210,000 | | | | 2029 | | — | | | — | | | — | | | | Thereafter | | — | | | — | | | — | | | | Total before unamortized discount and issuance costs and current portion | | $ | 122,500 | | | $ | 87,500 | | | $ | 210,000 | | | | Less: unamortized discount and issuance costs | | (1,459) | | | (9,718) | | | (11,177) | | | | Less: current portion of long-term debt | | — | | | — | | | — | | | | Total long-term debt | | $ | 121,041 | | | $ | 77,782 | | | $ | 198,823 | | |
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| Schedule of Interest Expense Related to Notes |
The interest expense recognized related to the Notes for the three and nine months ended June 30, 2025 and 2024 was as follows (dollars in thousands): | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Three Months Ended June 30, | | Nine Months Ended June 30, | | | | 2025 | | 2024 | | 2025 | | 2024 | | | Contractual interest expense | | $ | 1,097 | | | $ | 1,436 | | | $ | 3,743 | | | $ | 4,317 | | | | Amortization of debt discount | | 231 | | | 255 | | | 759 | | | 757 | | | | Amortization of issuance costs | | 1,068 | | | 1,235 | | | 3,573 | | | 3,671 | | | | Total interest expense related to the Notes | | $ | 2,396 | | | $ | 2,926 | | | $ | 8,075 | | | $ | 8,745 | | |
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