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Project Assets - Additional Information (Details) $ in Millions | 3 Months Ended | 12 Months Ended
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Dec. 31, 2022 MW | Oct. 31, 2024 USD ($) item kW MW | Oct. 31, 2023 USD ($) item | Oct. 31, 2022 USD ($)
Project Assets |  |  |  |
Number of project assets | item |  | 12 | 9 |
Long-term project assets construction in progress |  | $ 0.2 | $ 90.6 |
Impairment charges |  |  | 2.4 |
Project asset depreciation |  | 26.9 | 19.0 | $ 14.2
Hartford |  |  |  |
Project Assets |  |  |  |
Impairment charges |  |  |  | $ 0.8
Power Purchase Agreement |  |  |  |
Project Assets |  |  |  |
Sale leaseback transaction, net book value |  | $ 242.0 | 167.5 |
Trinity College Project |  |  |  |
Project Assets |  |  |  |
Power capacity under construction phase | kW |  | 250 |  |
Impairment charges |  | $ 1.3 |  |
UConn Project |  |  |  |
Project Assets |  |  |  |
Power capacity under construction phase | MW |  | 1 |  |
Impairment charges |  | $ 1.3 |  |
Toyota Project |  |  |  |
Project Assets |  |  |  |
Impairment charges |  | $ 3.6 |  |
Non-recoverable costs charged off as cost of revenue |  |  | 22.9 |
Amount of charges for the difference between carrying value of the project asset less the carrying value of inventory components |  |  | $ 22.1 |
CT RFP-1, Hartford, CT | Hartford |  |  |  |
Project Assets |  |  |  |
Capacity Of Plant | MW | 7.4 |  |  |
SCEF - Hartford, CT | Hartford |  |  |  |
Project Assets |  |  |  |
Capacity Of Plant | MW | 1 |  |  |

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