Assets and Liabilities Held for Sale and Disposals of Properties, Plants and Equipment, Net, and Timberland Gains - Summary of Assets and Liabilities Classified as Held For Sale (Detail) - USD ($) $ in Millions	Jul. 31, 2016	Oct. 31, 2015
Discontinued Operations and Disposal Groups [Abstract]
Trade accounts receivable, less allowance	$ 0.0	$ 2.3
Inventories	0.0	1.6
Properties, plants and equipment, net	11.7	8.1
Other assets	0.0	4.9
Assets held for sale	11.7	16.9
Accounts payable	0.0	1.8
Liabilities held for sale	$ 0.0	$ 1.8