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.