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Project Assets - Additional Information (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2019 USD ($) | Oct. 31, 2020 USD ($) ProjectAsset | Oct. 31, 2019 USD ($) ProjectAsset | Oct. 31, 2018 USD ($)
Project Assets [Line Items] |  |  |  |
Project assets estimated useful life |  | 20 years |  |
Number of project assets | ProjectAsset |  | 8 | 6 |
Sale leaseback transaction, net book value | $ 59,200 | $ 70,500 | $ 59,200 |
Long-term project assets construction in progress | 84,900,000 | 91,300,000 | 84,900,000 |
PPA assets construction in progress | 6,800,000 | 4,800,000 | 6,800,000 |
Impairment of property, plant and equipment and project assets |  | 2,417,000 | 20,360,000 | $ 0
Impairment charges |  | 0 |  | 0
Impairment on project asset |  |  |  | 500,000
Depreciation expense |  | $ 12,900,000 | $ 6,800,000 | $ 4,100,000
Triangle Street Project [Member] |  |  |  |
Project Assets [Line Items] |  |  |  |
Project assets estimated useful life |  |  | 5 years |
Impairment charges | $ 14,400,000 |  |  |
Bolthouse Farms Project [Member] |  |  |  |
Project Assets [Line Items] |  |  |  |
Impairment charges |  |  | $ 3,100,000 |
Minimum [Member] |  |  |  |
Project Assets [Line Items] |  |  |  |
Project assets estimated useful life |  | 4 years |  |
Maximum [Member] |  |  |  |
Project Assets [Line Items] |  |  |  |
Project assets estimated useful life |  | 7 years |  |

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- Definition Impairment of property plant and equipment and project assets. + References No definition available. + Details
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- Definition Number of project assets. + References No definition available. + Details
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- Definition PPA Assets Construction In Progress. + References No definition available. + Details
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- Definition Project assets. + References No definition available. + Details
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- Definition Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment. + References No definition available. + Details
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