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