Consolidation of Variable Interest Entities - Total Net Assets of Flexible Packaging JV (Detail) - USD ($) $ in Millions	Jan. 31, 2018	Oct. 31, 2017	Jan. 31, 2017	Oct. 31, 2016
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 94.3	$ 142.3	$ 106.8	$ 103.7
Trade accounts receivable, less allowance of $1.7 in 2018 and $2.1 in 2017	448.7	447.0
Properties, plants and equipment, net	1,203.2	1,188.4
Total Assets	50.9	50.9
Accounts payable	378.4	399.2
Total Liabilities	43.3	43.3
Allowance of trade accounts receivable	9.1	8.9
Variable Interest Entity, Primary Beneficiary
Variable Interest Entity [Line Items]
Cash and cash equivalents	17.1	14.4
Trade accounts receivable, less allowance of $1.7 in 2018 and $2.1 in 2017	55.4	52.5
Inventories	59.3	53.3
Properties, plants and equipment, net	31.1	31.2
Other assets	25.5	25.8
Total Assets	188.4	177.2
Accounts payable	34.6	33.8
Other liabilities	27.8	30.2
Total Liabilities	62.4	64.0
Allowance of trade accounts receivable	$ 1.7	$ 2.1