Consolidation of Variable Interest Entities - Total Net Assets of Flexible Packaging JV (Detail) - USD ($) $ in Millions	Jul. 31, 2017	Oct. 31, 2016	Jul. 31, 2016	Oct. 31, 2015
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 94.6	$ 103.7	$ 94.3	$ 106.2
Trade accounts receivable, less allowance of $2.3 in 2017 and $2.8 in 2016	453.6	399.2
Inventories	336.8	277.4
Properties, plants and equipment, net	1,168.5	1,171.9
Total Assets	50.9	50.9
Accounts payable	394.8	372.0
Total Liabilities	43.3	43.3
Allowance of trade accounts receivable	6.3	8.8
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Cash and cash equivalents	14.3	15.2
Trade accounts receivable, less allowance of $2.3 in 2017 and $2.8 in 2016	50.9	43.3
Inventories	51.1	50.9
Properties, plants and equipment, net	31.6	25.0
Other assets	28.0	37.3
Total Assets	175.9	171.7
Accounts payable	31.8	30.7
Other liabilities	35.2	43.7
Total Liabilities	67.0	74.4
Allowance of trade accounts receivable	$ 2.3	$ 2.8