Commitments and Contingencies (Details)			12 Months Ended
	Jul. 07, 2021 USD ($)	Sep. 20, 2018 subclass	Oct. 31, 2021 USD ($)	Oct. 31, 2020 USD ($)
Loss Contingencies [Line Items]
Letters of credit			$ 167,700,000
Surety bonds			687,300,000
Minimum
Loss Contingencies [Line Items]
Amount of reasonably possible loss			0
Maximum
Loss Contingencies [Line Items]
Amount of reasonably possible loss			6,000,000
Bucio
Loss Contingencies [Line Items]
Loss contingency, number of certified subclasses | subclass		4
Energy Savings Contracts
Loss Contingencies [Line Items]
Guarantee obligation			254,300,000	$ 182,800,000
Pending Litigation
Loss Contingencies [Line Items]
Loss contingency accrual			18,500,000
Settled Litigation | Bucio
Loss Contingencies [Line Items]
Loss contingency accrual			142,900,000
Settlement amount	$ 140,000,000
Settlement reserve			142,900,000
Settled Litigation | Bucio | Other Current Liabilities
Loss Contingencies [Line Items]
Loss contingency accrual			$ 2,900,000