Accrued Liabilities - Schedule of Accrued Liabilities (Parenthetical) (Details) - USD ($) $ in Millions	Jul. 31, 2023	Oct. 31, 2022
Schedule Of Accrued Liabilities [Line Items]
Loss reserve on service agreements	$ 7.2	$ 7.3
Bridgeport Fuel Cell Project
Schedule Of Accrued Liabilities [Line Items]
Reserve for performance guarantees	$ 5.8	$ 4.1