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Inventories - Narrative (Details) - USD ($) | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Mar. 31, 2023 | Dec. 31, 2022 | Mar. 31, 2023 | Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2020
Inventory [Line Items] |  |  |  |  |  |
Casualty loss to reduce the carring value of the unharvested fruit crop |  |  | $ 0 | $ 14,900,000 |  |
Insurance proceeds for crop claims | $ 4,759,000 |  | 4,759,000 |  |  |
Proceeds from federal relief grants |  | $ 1,266,000 |  | 1,123,000 | $ 4,299,000 | $ 4,629,000
Year-End Adjustment |  |  |  |  |  |
Inventory [Line Items] |  |  |  |  |  |
Inventory casualty loss |  |  | $ 1,616,000 | $ 6,676,000 |  |

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- Definition Amount of loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 330 -SubTopic 10 -Section 50 -Paragraph 2 -URI https://asc.fasb.org/extlink&oid=116847112&loc=d3e4542-108314 + Details
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- Definition Amount of cash inflow for proceeds from settlement of insurance claim, classified as operating activities. Excludes insurance settlement classified as investing activities. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 16 -Subparagraph (c) -URI https://asc.fasb.org/extlink&oid=126954810&loc=d3e3337-108585 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 21B -URI https://asc.fasb.org/extlink&oid=126954810&loc=SL94080549-108585 + Details
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