BUSINESS SEGMENT INFORMATION - Properties, Plants and Equipment, Net by Geographical Area (Details) - USD ($) $ in Millions	Jul. 31, 2020	Oct. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	$ 5,593.8	$ 5,426.7
Total long-lived assets, net	1,906.9	1,690.3
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	1,413.1	1,295.8
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	383.8	277.1
Asia Pacific and Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	110.0	117.4
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	5,334.7	5,189.5
Operating Segments | Rigid Industrial Packaging & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	2,243.7	2,006.3
Operating Segments | Paper Packaging & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	2,582.6	2,686.3
Operating Segments | Flexible Products & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	160.0	148.2
Operating Segments | Land Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	348.4	348.7
Corporate and other
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	$ 259.1	$ 237.2