Business Segment Information - Schedule of Net Property, Plant and Equipment By Country of Domicile (Details) - USD ($) $ in Millions	Jul. 31, 2019	Oct. 31, 2018
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	$ 1,065.4	$ 976.0
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	589.7	516.7
Europe
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	339.7	340.7
Rest of world
Revenues from External Customers and Long-Lived Assets [Line Items]
Net property, plant and equipment	$ 136.0	$ 118.6