RESTRUCTURING CHARGES - Amounts Expected to be Incurred, Amounts Incurred, and Amounts Remaining to Be Incurred (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	$ 18.1
Amounts Incurred During the Three Months Ended January 31, 2022	3.5	$ 3.1
Amounts Remaining to be Incurred	14.6
Employee separation costs
Restructuring and Related Costs [Line Items]
Amounts Incurred During the Three Months Ended January 31, 2022	1.6
Other restructuring costs
Restructuring and Related Costs [Line Items]
Amounts Incurred During the Three Months Ended January 31, 2022	1.9
Global Industrial Packaging
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	13.8
Amounts Incurred During the Three Months Ended January 31, 2022	2.1
Amounts Remaining to be Incurred	11.7
Global Industrial Packaging | Employee separation costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	10.5
Amounts Incurred During the Three Months Ended January 31, 2022	1.5
Amounts Remaining to be Incurred	9.0
Global Industrial Packaging | Other restructuring costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	3.3
Amounts Incurred During the Three Months Ended January 31, 2022	0.6
Amounts Remaining to be Incurred	2.7
Paper Packaging & Services
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	4.3
Amounts Incurred During the Three Months Ended January 31, 2022	1.4
Amounts Remaining to be Incurred	2.9
Paper Packaging & Services | Employee separation costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	1.1
Amounts Incurred During the Three Months Ended January 31, 2022	0.1
Amounts Remaining to be Incurred	1.0
Paper Packaging & Services | Other restructuring costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	3.2
Amounts Incurred During the Three Months Ended January 31, 2022	1.3
Amounts Remaining to be Incurred	$ 1.9