Schedule II - Valuation and Qualifying Accounts for Allowance for Doubtful Accounts (Details) - SEC Schedule, 12-09, Allowance, Credit Loss - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2021	Oct. 31, 2020	Oct. 31, 2019
SEC Schedule, 12-09, Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	$ 10.2	$ 16.4	$ 19.0
Additions Charged to Costs and Expenses	0.7	3.6	1.6
(Deductions) Recoveries/ Other	(1.7)	(9.8)	(4.2)
Balance at End of Year	$ 9.2	$ 10.2	$ 16.4