CONTINGENT LIABILITIES AND ENVIRONMENTAL RESERVES (Details) $ in Millions	30 Months Ended
	Apr. 30, 2019 facility	Jul. 31, 2020 USD ($)	Oct. 31, 2019 USD ($)	Mar. 03, 2016 USD ($)
Site Contingency [Line Items]
Number of reconditioning facilities subject to litigation | facility	3
Environmental liability reserves		$ 19.7	$ 18.7	$ 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	3.3
Life Cycle Management and Recycling Facilities
Site Contingency [Line Items]
Environmental liability reserves		0.1	0.1
Owned by Other Company
Site Contingency [Line Items]
Environmental liability reserves		0.9	0.3
Paper Packaging And Services, Landfill
Site Contingency [Line Items]
Environmental liability reserves		2.2	2.0
Paper Packaging & Services
Site Contingency [Line Items]
Environmental liability reserves		0.4	0.0
Other Facilities
Site Contingency [Line Items]
Environmental liability reserves		1.6	1.8
Wrongful Termination Lawsuits | Pending Litigation
Site Contingency [Line Items]
Estimated liability recorded for legal proceedings		$ 0.6	$ 0.6