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Debt (Details) - USD ($) | Jun. 30, 2021 | Sep. 30, 2020
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Debt Disclosure [Abstract] |  |
Long-term debt | $ 30,576,000 | $ 217,000
Letters of Credit Outstanding, Amount | 4,527,000 |
Line of Credit Facility, Remaining Borrowing Capacity | 64,331,000 |
Loans Payable to Bank, Noncurrent | 30,479,000 | 12,000
Other Long-term Debt, Noncurrent | 97,000 | $ 205,000
Line of Credit Facility, Maximum Borrowing Capacity | $ 100,000,000 |

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- Definition The total amount of the contingent obligation under letters of credit outstanding as of the reporting date. + References No definition available. + Details
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.22) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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