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RESTRUCTURING CHARGES - Amounts Expected to be Incurred, Amounts Incurred, and Amounts Remaining to Be Incurred (Details) - USD ($) $ in Millions | 3 Months Ended
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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 |

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