Contingent Liabilities and Environmental Reserves - Additional Information (Details) $ in Millions	12 Months Ended
	Oct. 31, 2020 USD ($) facility	Oct. 31, 2019 USD ($)	Mar. 03, 2016 USD ($)
Site Contingency [Line Items]
Environmental liability reserves	$ 20.2	$ 18.7	$ 1,380.0
Diamond Alkali
Site Contingency [Line Items]
Environmental liability reserves	11.1
European Drum Facilities
Site Contingency [Line Items]
Environmental liability reserves	3.3	3.3
Life Cycle Management and Recycling Facilities
Site Contingency [Line Items]
Environmental liability reserves	0.1	0.1
Sites Owned by Others
Site Contingency [Line Items]
Environmental liability reserves	0.5	0.3
Paper Packaging & Services
Site Contingency [Line Items]
Environmental liability reserves	3.1	2.0
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves	$ 2.1	$ 1.8
Container Life Cycle Management LLC | Flexible Packaging JV
Site Contingency [Line Items]
Number of reconditioning facilities subject to litigation | facility	3