Project Assets - Additional Information (Details) $ in Millions	6 Months Ended	12 Months Ended
Apr. 30, 2025 USD ($) project	Oct. 31, 2024 USD ($) project
Project Assets
Number of project assets \| project	12	12
Long-term project assets construction in progress	$ 0.1	$ 0.2
Power Purchase Agreement
Project Assets
Sale leaseback transaction, net book value	$ 228.1	$ 242.0

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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Name:	us-gaap_SaleLeasebackTransactionNetBookValue
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant