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Property and Equipment, Net - Narrative (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jun. 30, 2025 | Jun. 30, 2024 | Jun. 30, 2025 | Jun. 30, 2024
Property Plant And Equipment [Line Items] |  |  |  |
Loss on disposal of long-lived assets |  |  | $ 780,000 | $ 6,213,000
Impairment of long-lived assets | $ 0 | $ 0 | 24,966,000 | $ 0
Accelerated depreciation | 40,733,000 |  | 160,526,000 |
Impact on accelerated depreciation on net income, amount | $ (28,635,000) |  | $ (126,816,000) |
Impact of accelerated depreciation, earnings per share, basic (in dollars per share) | $ (3.75) |  | $ (16.61) |
Impact of accelerated depreciation, earnings per share, diluted (in dollars per share) | $ (3.75) |  | $ (16.61) |
Minimum | Citrus trees |  |  |  |
Property Plant And Equipment [Line Items] |  |  |  |
Estimated useful life of citrus trees (in months) | 4 months |  | 4 months |
Maximum | Citrus trees |  |  |  |
Property Plant And Equipment [Line Items] |  |  |  |
Estimated useful life of citrus trees (in months) | 16 months |  | 16 months |

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