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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 | 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 |

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