Contingent Liabilities and Environmental Reserves - Additional Information (Details) $ in Millions	12 Months Ended
	Oct. 31, 2019 USD ($) facility	Oct. 31, 2018 USD ($)	Mar. 03, 2016 USD ($)
Site Contingency [Line Items]
Environmental liability reserves	$ 18.7	$ 6.8	$ 1,380.0
Diamond Alkali
Site Contingency [Line Items]
Environmental liability reserves	11.2
European Drum Facilities
Site Contingency [Line Items]
Environmental liability reserves	3.3	3.7
Life Cycle Management and Recycling Facilities
Site Contingency [Line Items]
Environmental liability reserves	0.1	0.2
Sites Owned by Others
Site Contingency [Line Items]
Environmental liability reserves	0.3	0.9
Paper Packaging & Services
Site Contingency [Line Items]
Environmental liability reserves	2.0	1.0
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves	$ 1.8	1.0
Container Life Cycle Management LLC | Flexible Packaging JV
Site Contingency [Line Items]
Number of reconditioning facilities subject to litigation | facility	3
Flexible Products & Services
Site Contingency [Line Items]
Estimated litigation liability	$ 0.6	$ 2.0