Consolidation of Variable Interest Entities - Total Net Assets of Flexible Packaging JV (Detail) - USD ($) $ in Millions	Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 94.2	$ 142.3	$ 103.7	$ 106.2
Trade accounts receivable, less allowance of $0.6 in 2018 and $2.1 in 2017	456.7	447.0
Allowance of trade accounts receivable	4.2	8.9
Properties, plants and equipment, net	1,191.9	1,188.4
Total assets	50.9	50.9
Accounts payable	403.8	399.2
Total liabilities	43.3	43.3
Flexible Packaging JV
Variable Interest Entity [Line Items]
Cash and cash equivalents	22.2	14.4
Trade accounts receivable, less allowance of $0.6 in 2018 and $2.1 in 2017	53.2	52.5
Allowance of trade accounts receivable	0.6	2.1
Inventories	49.0	53.3
Properties, plants and equipment, net	28.8	31.2
Other assets	21.5	25.8
Total assets	174.7	177.2
Accounts payable	29.0	33.8
Other liabilities	24.8	30.2
Total liabilities	$ 53.8	$ 64.0