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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, 2024 | Jan. 31, 2023
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | $ 19.5 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 5.7 | $ 2.4
Amounts Remaining to be Incurred | 13.8 |
Employee separation costs |  |
Restructuring and Related Costs [Line Items] |  |
Amounts Incurred During the Three Months Ended January 31, 2024 | 2.9 |
Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Amounts Incurred During the Three Months Ended January 31, 2024 | 2.8 |
Global Industrial Packaging |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 5.4 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 0.9 |
Amounts Remaining to be Incurred | 4.5 |
Global Industrial Packaging | Employee separation costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 4.2 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 0.7 |
Amounts Remaining to be Incurred | 3.5 |
Global Industrial Packaging | Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 1.2 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 0.2 |
Amounts Remaining to be Incurred | 1.0 |
Paper Packaging & Services |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 14.1 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 4.8 |
Amounts Remaining to be Incurred | 9.3 |
Paper Packaging & Services | Employee separation costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 2.3 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 2.2 |
Amounts Remaining to be Incurred | 0.1 |
Paper Packaging & Services | Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 11.8 |
Amounts Incurred During the Three Months Ended January 31, 2024 | 2.6 |
Amounts Remaining to be Incurred | $ 9.2 |

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