Consolidation of Variable Interest Entities - Schedule of Total Net Assets of Paper Packaging JV (Details) - USD ($) $ in Millions	Oct. 31, 2020	Oct. 31, 2019	Oct. 31, 2018
Variable Interest Entity [Line Items]
Trade accounts receivable, less allowance of $0.0 in 2020	$ 636.6	$ 664.2
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
Allowance for trade accounts receivable	9.4	6.8
Paper Packaging JV
Variable Interest Entity [Line Items]
Allowance for trade accounts receivable	0.0
Variable Interest Entity, Primary Beneficiary | Paper Packaging JV
Variable Interest Entity [Line Items]
Trade accounts receivable, less allowance of $0.0 in 2020	5.5
Inventories	6.3
Properties, plants and equipment, net	34.3	$ 29.4
Other assets	0.6
Total assets	46.7
Accounts payable	5.2
Other liabilities	1.3
Total liabilities	$ 6.5