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Debt (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Sep. 30, 2023
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Debt Disclosure [Abstract] |  |
Long-term debt | $ 0 | $ 0
Letters of Credit Outstanding, Amount | 5,606 |
Line of Credit Facility, Remaining Borrowing Capacity | 142,489 |
Loans Payable to Bank, Noncurrent | 0 |
Line of Credit Facility, Maximum Borrowing Capacity | $ 150,000 |

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- Definition Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.19(b),22(b)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 210 -SubTopic 10 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -Publisher FASB -URI https://asc.fasb.org//1943274/2147480566/210-10-S99-1 + Details
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