BUSINESS SEGMENT INFORMATION - Properties, Plants and Equipment, Net by Geographical Area (Details) - USD ($) $ in Millions	Apr. 30, 2020	Oct. 31, 2019
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	$ 5,529.0	$ 5,426.7
Total long-lived assets, net	1,917.1	1,690.3
United States
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	1,441.3	1,295.8
Europe, Middle East and Africa
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	366.5	277.1
Asia Pacific and Other Americas
Revenues from External Customers and Long-Lived Assets [Line Items]
Total long-lived assets, net	109.3	117.4
Operating Segments
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	5,268.2	5,189.5
Operating Segments | Rigid Industrial Packaging & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	2,072.7	2,006.3
Operating Segments | Paper Packaging & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	2,691.7	2,686.3
Operating Segments | Flexible Products & Services
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	154.7	148.2
Operating Segments | Land Management
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	349.1	348.7
Corporate and other
Revenues from External Customers and Long-Lived Assets [Line Items]
Assets	$ 260.8	$ 237.2