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Captive Insurance Collateral | 12 Months Ended
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Sep. 30, 2025
Investments, Debt and Equity Securities [Abstract] |
Captive Insurance Collateral | 6) Captive Insurance Collateral The Company considers all of its captive insurance collateral to be Level 1 available-for-sale investments. Investments at September 30, 2025 consist of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized (Loss) |  |  | Fair Value |
Cash and Receivables |  | $ | 343 |  |  | $ | — |  |  | $ | — |  |  | $ | 343 |
U.S. Government Debt Securities |  |  | 71,453 |  |  |  | 79 |  |  |  | (11 | ) |  |  | 71,521 |
Corporate Debt Securities |  |  | 6,515 |  |  |  | — |  |  |  | (190 | ) |  |  | 6,325 |
Total |  | $ | 78,311 |  |  | $ | 79 |  |  | $ | (201 | ) |  | $ | 78,189 |
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 Sponsored Agencies |  |  | 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 September 30, 2025 (in thousands):
|  | Net Carrying Amount |
Due within one year |  | $ | 76,701 |
Due after one year through five years |  |  | 1,488 |
Due after five years through ten years |  |  | — |
Total |  | $ | 78,189 |

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