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Property, Plant and Equipment - Summary of Property, Plant and Equipment (Detail) - USD ($)
$ in Millions
Apr. 30, 2020
Oct. 31, 2019
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 316.9 $ 324.6
Less: accumulated depreciation (124.2) (122.9)
Total property, plant and equipment, net 192.7 201.7
Land and Land Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 26.1 24.2
Building and Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 104.6 107.6
Machinery and Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 94.3 93.1
Rental and Used Vehicles [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 21.4 24.4
Computer Hardware and Software [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 54.9 58.1
Office Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross 5.9 5.8
Construction in Progress [Member]    
Property, Plant and Equipment [Line Items]    
Property, plant and equipment, gross $ 9.7 $ 11.4