XML 60 R47.htm IDEA: XBRL DOCUMENT v3.23.1
Accrued Liabilities - Schedule of Accrued Liabilities (Parenthetical) (Details) - USD ($)
$ in Millions
Apr. 30, 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 $ 5.3 $ 4.1