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Captive Insurance Collateral | 6 Months Ended
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Mar. 31, 2025
Investments, Debt and Equity Securities [Abstract] |
Captive Insurance Collateral | 5) Captive Insurance Collateral The Company considers all of its captive insurance collateral to be Level 1 available-for-sale investments. Investments at March 31, 2025 consist of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized (Loss) |  |  | Fair Value |
Cash and Receivables |  | $ | 120 |  |  | $ | — |  |  | $ | — |  |  | $ | 120 |
U.S. Government Debt Securities |  |  | 67,598 |  |  |  | 38 |  |  |  | (19 | ) |  |  | 67,617 |
Corporate Debt Securities |  |  | 9,057 |  |  |  | — |  |  |  | (298 | ) |  |  | 8,759 |
Total |  | $ | 76,775 |  |  | $ | 38 |  |  | $ | (317 | ) |  | $ | 76,496 |
Investments at September 30, 2024 consist of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized (Loss) |  |  | Fair Value |
Cash and Receivables |  | $ | 5,741 |  |  | $ | — |  |  | $ | — |  |  | $ | 5,741 |
U.S. Government Debt Securities |  |  | 57,095 |  |  |  | 108 |  |  |  | (104 | ) |  |  | 57,099 |
Corporate Debt Securities |  |  | 12,465 |  |  |  | — |  |  |  | (454 | ) |  |  | 12,011 |
Total |  | $ | 75,301 |  |  | $ | 108 |  |  | $ | (558 | ) |  | $ | 74,851 |
Maturities of investments were as follows at March 31, 2025 (in thousands):
|  | Net Carrying Amount |
Due within one year |  | $ | 73,539 |
Due after one year through five years |  |  | 2,957 |
Due after five years through ten years |  |  | — |
Total |  | $ | 76,496 |

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