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Captive Insurance Collateral (Tables) | 9 Months Ended
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Jun. 30, 2021
Investments Debt And Equity Securities [Abstract] |
Schedule of Captive Insurance Collateral to be Level 1 Available-for-sale Investments | The Company considers all of its captive insurance collateral to be Level 1 available-for-sale investments. Investments at June 30, 2021 consist of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized (Loss) |  |  | Fair Value |
Cash and Receivables |  | $ | 443 |  |  | $ | — |  |  | $ | — |  |  | $ | 443 |
U.S. Government Sponsored Agencies |  |  | 48,841 |  |  |  | 125 |  |  |  | (129 | ) |  |  | 48,837 |
Corporate Debt Securities |  |  | 17,993 |  |  |  | 1,017 |  |  |  | (26 | ) |  |  | 18,984 |
Foreign Bonds and Notes |  |  | 1,486 |  |  |  | 45 |  |  |  | — |  |  |  | 1,531 |
Total |  | $ | 68,763 |  |  | $ | 1,187 |  |  | $ | (155 | ) |  | $ | 69,795 |
Investments at September 30, 2020 consist of the following (in thousands):
|  | Amortized Cost |  |  | Gross Unrealized Gain |  |  | Gross Unrealized (Loss) |  |  | Fair Value |
Cash and Receivables |  | $ | 1,152 |  |  | $ | — |  |  | $ | — |  |  | $ | 1,152 |
U.S. Government Sponsored Agencies |  |  | 42,032 |  |  |  | 229 |  |  |  | (26 | ) |  |  | 42,235 |
Corporate Debt Securities |  |  | 21,666 |  |  |  | 1,660 |  |  |  | — |  |  |  | 23,326 |
Foreign Bonds and Notes |  |  | 2,992 |  |  |  | 82 |  |  |  | — |  |  |  | 3,074 |
Total |  | $ | 67,842 |  |  | $ | 1,971 |  |  | $ | (26 | ) |  | $ | 69,787 |
Schedule of Maturities of Investments | Maturities of investments were as follows at June 30, 2021 (in thousands):
|  | Net Carrying Amount |
Due within one year |  | $ | 4,982 |
Due after one year through five years |  |  | 63,714 |
Due after five years through ten years |  |  | 1,099 |
Total |  | $ | 69,795 |

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- Definition Tabular disclosure of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -URI http://asc.fasb.org/topic&trid=2196928 + Details
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- Definition Tabular disclosure of maturities of an entity's investments as well as any other information pertinent to the investments. + References No definition available. + Details
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