RESTRUCTURING CHARGES - Amounts Expected to be Incurred, Amounts Incurred, and Amounts Remaining to Be Incurred (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	$ 19.6		$ 19.6
Amounts Incurred During the Six Months Ended April 30, 2023	2.4	$ 3.7	4.8	$ 7.2
Amounts Remaining to be Incurred	14.8		14.8
Employee separation costs
Restructuring and Related Costs [Line Items]
Amounts Incurred During the Six Months Ended April 30, 2023	1.6		2.7
Other restructuring costs
Restructuring and Related Costs [Line Items]
Amounts Incurred During the Six Months Ended April 30, 2023	0.8		2.1
Global Industrial Packaging
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	7.6		7.6
Amounts Incurred During the Six Months Ended April 30, 2023			2.9
Amounts Remaining to be Incurred	4.7		4.7
Global Industrial Packaging | Employee separation costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	5.4		5.4
Amounts Incurred During the Six Months Ended April 30, 2023			1.7
Amounts Remaining to be Incurred	3.7		3.7
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 Six Months Ended April 30, 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	12.0		12.0
Amounts Incurred During the Six Months Ended April 30, 2023			1.9
Amounts Remaining to be Incurred	10.1		10.1
Paper Packaging & Services | Employee separation costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	4.6		4.6
Amounts Incurred During the Six Months Ended April 30, 2023			1.0
Amounts Remaining to be Incurred	3.6		3.6
Paper Packaging & Services | Other restructuring costs
Restructuring and Related Costs [Line Items]
Total Amounts Expected to be Incurred	7.4		7.4
Amounts Incurred During the Six Months Ended April 30, 2023			0.9
Amounts Remaining to be Incurred	$ 6.5		$ 6.5