Property, Plant and Equipment (Detail) - USD ($) $ in Millions		Oct. 31, 2015	Oct. 31, 2014
Property, Plant and Equipment [Abstract]
Computer equipment and software		$ 89.1	$ 90.4
Machinery and other equipment		68.4	70.0
Leasehold improvements		25.8	21.7
Transportation equipment		18.2	16.8
Furniture and fixtures		10.1	9.1
Buildings		9.9	10.8
Land		1.2	1.3
Property, Plant and Equipment, Gross, Total		222.7	220.1
Less: Accumulated depreciation	[1]	148.7	137.1
Total		$ 74.0	$ 83.0

[1] For 2015, 2014, and 2013, depreciation expense was $32.8 million, $30.2 million, and $31.6 million, respectively.