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Debt (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020 | Apr. 28, 2022
Debt Disclosure [Abstract] |  |  |  |
Revolving loan | $ 82,659,000 | $ 40,339,000 |  |
Other long-term debt | 0 | 63,000 |  |
Long-term debt | 81,628,000 | 39,746,000 |  |
Debt Issuance Costs, Noncurrent, Net | 1,031,000 | 656,000 |  |
Letters of Credit Outstanding, Amount | 4,077,000 |  |  |
Line of Credit Facility, Remaining Borrowing Capacity | $ 63,263,000 |  |  |
Line of Credit Facility, Interest Rate at Period End | 4.98% |  |  |
Interest expense | $ 2,970,000 | $ 962,000 | $ 777,000 |
Line of Credit Facility, Maximum Borrowing Capacity | $ 150,000,000 |  |  | $ 125,000,000
Fixed Charge Coverage Ratio | 1.6 |  |  |
Loans Payable | $ 82,659,000 |  |  |
ControllingShareholderOwnershipPercentage | 57.00% |  |  |
Liquidity | $ 88,112,000 |  |  |

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- Definition Amount, after accumulated amortization, of debt issuance costs classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=124435984&loc=d3e28555-108399 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.17) -URI http://asc.fasb.org/extlink&oid=120391452&loc=d3e13212-122682 + Details
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- Definition Amount of the cost of borrowed funds accounted for as interest expense for debt. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 6 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466204&loc=SL6036836-161870 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 220 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.8) -URI http://asc.fasb.org/extlink&oid=123367319&loc=SL114868664-224227 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69F -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495745-112612 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 55 -Paragraph 69E -URI http://asc.fasb.org/extlink&oid=123466577&loc=SL123495743-112612 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 20 -Section 50 -Paragraph 1F -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=123466505&loc=SL123495355-112611 + Details
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