Income Taxes - Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Current
Federal	$ (9.7)	$ 26.6	$ 74.0
State and local	3.3	6.1	8.0
Non-U.S.	53.0	35.9	36.1
Total Current	46.6	68.6	118.1
Deferred
Federal	7.9	2.1	(45.2)
State and local	10.2	0.9	0.8
Non-U.S.	(1.4)	(0.9)	(0.4)
Total Deferred	16.7	2.1	(44.8)
Total Current and Deferred income taxes	$ 63.3	$ 70.7	$ 73.3