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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, 2021 | Jan. 31, 2020
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | $ 25.6 |
Amounts Incurred During the three months ended January 31, 2021 | 3.1 | $ 3.3
Amounts Remaining to be Incurred | 22.5 |
Employee Separation Costs |  |
Restructuring and Related Costs [Line Items] |  |
Amounts Incurred During the three months ended January 31, 2021 | 1.5 |
Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Amounts Incurred During the three months ended January 31, 2021 | 1.6 |
Global Industrial Packaging |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 20.5 |
Amounts Incurred During the three months ended January 31, 2021 | 2.8 |
Amounts Remaining to be Incurred | 17.7 |
Global Industrial Packaging | Employee Separation Costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 14.8 |
Amounts Incurred During the three months ended January 31, 2021 | 1.5 |
Amounts Remaining to be Incurred | 13.3 |
Global Industrial Packaging | Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 5.7 |
Amounts Incurred During the three months ended January 31, 2021 | 1.3 |
Amounts Remaining to be Incurred | 4.4 |
Paper Packaging & Services |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 5.1 |
Amounts Incurred During the three months ended January 31, 2021 | 0.3 |
Amounts Remaining to be Incurred | 4.8 |
Paper Packaging & Services | Other restructuring costs |  |
Restructuring and Related Costs [Line Items] |  |
Total Amounts Expected to be Incurred | 5.1 |
Amounts Incurred During the three months ended January 31, 2021 | 0.3 |
Amounts Remaining to be Incurred | $ 4.8 |

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