Consolidation of Variable Interest Entities - Total Net Assets of Flexible Packaging JV (Detail) - USD ($) $ in Millions	Apr. 30, 2017	Oct. 31, 2016	Apr. 30, 2016	Oct. 31, 2015
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 87.0	$ 103.7	$ 89.6	$ 106.2
Trade accounts receivable, less allowance of $2.2 in 2017 and $2.8 in 2016	428.8	399.2
Inventories	330.6	277.4
Properties, plants and equipment, net	1,141.4	1,163.9
Total Assets	50.9	50.9
Accounts payable	369.3	372.0
Total Liabilities	43.3	43.3
Allowance of trade accounts receivable	7.0	8.8
Flexible Packaging JV
Variable Interest Entity [Line Items]
Cash and cash equivalents	13.3	15.2
Trade accounts receivable, less allowance of $2.2 in 2017 and $2.8 in 2016	45.5	43.3
Inventories	49.5	50.9
Properties, plants and equipment, net	23.2	25.0
Other assets	33.7	37.3
Total Assets	165.2	171.7
Accounts payable	30.7	30.7
Other liabilities	36.5	43.7
Total Liabilities	67.2	74.4
Allowance of trade accounts receivable	$ 2.2	$ 2.8