RESTRUCTURING CHARGES - Amounts Expected to be Incurred, Amounts Incurred, and Amounts Remaining to Be Incurred (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	$ 22.8		$ 22.8
Amounts Incurred During the Nine Months Ended July 31, 2023	8.7	$ 3.1	13.5	$ 10.3
Amounts Remaining to be Incurred	9.3		9.3
Employee separation costs
Restructuring and Related Costs [Line Items]
Amounts Incurred During the Nine Months Ended July 31, 2023	6.5		9.2
Other restructuring costs
Restructuring and Related Costs [Line Items]
Amounts Incurred During the Nine Months Ended July 31, 2023	2.2		4.3
Global Industrial Packaging
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	8.1		8.1
Amounts Incurred During the Nine Months Ended July 31, 2023			4.2
Amounts Remaining to be Incurred	3.9		3.9
Global Industrial Packaging | Employee separation costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	5.9		5.9
Amounts Incurred During the Nine Months Ended July 31, 2023			3.0
Amounts Remaining to be Incurred	2.9		2.9
Global Industrial Packaging | Other restructuring costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	2.2		2.2
Amounts Incurred During the Nine Months Ended July 31, 2023			1.2
Amounts Remaining to be Incurred	1.0		1.0
Paper Packaging & Services
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	14.7		14.7
Amounts Incurred During the Nine Months Ended July 31, 2023			9.3
Amounts Remaining to be Incurred	5.4		5.4
Paper Packaging & Services | Employee separation costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	6.2		6.2
Amounts Incurred During the Nine Months Ended July 31, 2023			6.2
Amounts Remaining to be Incurred	0.0		0.0
Paper Packaging & Services | Other restructuring costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	8.5		8.5
Amounts Incurred During the Nine Months Ended July 31, 2023			3.1
Amounts Remaining to be Incurred	$ 5.4		$ 5.4