Consolidation of Variable Interest Entities - Total Net Assets of Flexible Packaging JV (Details) - USD ($) $ in Millions	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Variable Interest Entity [Line Items]
Cash and cash equivalents	$ 105.9	$ 77.3	$ 94.2	$ 142.3
Trade accounts receivable, less allowance of $0.7 in 2020 and $0.7 in 2019	636.6	664.2
Allowance of trade accounts receivable	9.4	6.8
Properties, plants and equipment, net	1,526.9	1,690.3
Total assets	5,510.9	5,426.7	$ 3,194.8
Accounts payable	450.7	435.2
Variable Interest Entity, Primary Beneficiary | Flexible Packaging JV [Member]
Variable Interest Entity [Line Items]
Cash and cash equivalents	19.0	16.9
Trade accounts receivable, less allowance of $0.7 in 2020 and $0.7 in 2019	47.5	51.2
Inventories	36.0	46.4
Properties, plants and equipment, net	22.8	22.3
Other assets	20.3	29.3
Total assets	145.6	166.1
Accounts payable	29.4	28.9
Other liabilities	22.8	23.6
Total liabilities	52.2	52.5
Flexible Packaging JV
Variable Interest Entity [Line Items]
Allowance of trade accounts receivable	$ 0.7	$ 0.7