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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

Depreciation expense on project assets.

+ References

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- Definition

Impairment of property plant and equipment and project assets.

+ References

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- Definition

Impairment on termination of project.

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- Definition

Long term project assets construction in progress.

+ References

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Number of project assets.

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- Definition

PPA Assets Construction In Progress.

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- Definition

Project assets.

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- Definition

Amount of write-down of assets recognized in the income statement. Includes, but is not limited to, losses from tangible assets, intangible assets and goodwill.

+ References

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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

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- Definition

The net book value of the asset(s) sold in connection with the sale of the property to another party and lease back to the seller.

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