Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($) $ in Millions	Oct. 31, 2020	Oct. 31, 2019
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 291.7	$ 324.6
Less: accumulated depreciation	(123.3)	(122.9)
Total property, plant and equipment, net	168.4	201.7
Land and Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	27.0	24.2
Building and Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	103.9	107.6
Machinery and Equipment [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	95.2	93.1
Rental and Used Vehicles [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4.9	24.4
Computer Hardware and Software [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	47.5	58.1
Office Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5.1	5.8
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 8.1	$ 11.4