Business Segment Information - Schedule of Net Sales to Unaffiliated Customers by Country of Domicile (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 719.5	$ 524.9	$ 1,400.0	$ 1,171.1
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	336.1	222.5	649.1	516.0
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	230.0	178.7	450.8	392.1
Rest of world
Revenues from External Customers and Long-Lived Assets [Line Items]
Total net sales	$ 153.4	$ 123.7	$ 300.1	$ 263.0