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Project Assets - Additional Information (Details) $ in Millions | 9 Months Ended | 12 Months Ended
--- | --- | ---
Jul. 31, 2023 USD ($) project MW | Oct. 31, 2022 USD ($) project
Project Assets [Line Items] |  |
Number of project assets | project | 9 | 8
Long-term project assets construction in progress | $ 77.8 | $ 107.7
Power Purchase Agreement |  |
Project Assets [Line Items] |  |
Sale leaseback transaction, net book value | $ 170.4 | $ 125.2
Toyota Project |  |
Project Assets [Line Items] |  |
Power capacity under construction phase | MW | 2.3 |

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