Property, Plant and Equipment (Details) - USD ($)
$ in Millions
Oct. 31, 2016
Oct. 31, 2015
Property, Plant and Equipment [Abstract]    
Computer equipment and software $ 92.5 $ 89.1
Machinery and other equipment 74.5 68.4
Leasehold improvements 33.2 25.8
Transportation equipment 23.5 18.2
Furniture and fixtures 11.3 10.1
Buildings 9.3 9.9
Land 0.9 1.2
Property, Plant and Equipment, Gross, Total 245.2 222.7
Less: Accumulated depreciation [1] 163.4 148.7
Total $ 81.8 $ 74.0
[1] For 2016, 2015, and 2014, depreciation expense was $32.6 million, $32.8 million, and $30.2 million, respectively.