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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, 2025 | Apr. 30, 2024 | Apr. 30, 2025 | Apr. 30, 2024
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | $ 39.8 |  | $ 39.8 |
Amounts Incurred During the Six Months Ended April 30, 2025 | 11.2 | $ (6.8) | 13.9 | $ (1.1)
Amounts Remaining to be Incurred | 25.9 |  | 25.9 |
Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Amounts Incurred During the Six Months Ended April 30, 2025 | 8.6 |  | 10.6 |
Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Amounts Incurred During the Six Months Ended April 30, 2025 | 2.6 |  | 3.3 |
Customized Polymer Solutions |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 2.4 |  | 2.4 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 1.5 |
Amounts Remaining to be Incurred | 0.9 |  | 0.9 |
Customized Polymer Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 2.0 |  | 2.0 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 1.2 |
Amounts Remaining to be Incurred | 0.8 |  | 0.8 |
Customized Polymer Solutions | Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 0.4 |  | 0.4 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 0.3 |
Amounts Remaining to be Incurred | 0.1 |  | 0.1 |
Durable Metal Solutions |  |  |  |
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, 2025 |  |  | 1.5 |
Amounts Remaining to be Incurred | 3.1 |  | 3.1 |
Durable Metal Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 3.9 |  | 3.9 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 1.3 |
Amounts Remaining to be Incurred | 2.6 |  | 2.6 |
Durable Metal Solutions | Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 0.7 |  | 0.7 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 0.2 |
Amounts Remaining to be Incurred | 0.5 |  | 0.5 |
Sustainable Fiber Solutions |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 31.5 |  | 31.5 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 10.4 |
Amounts Remaining to be Incurred | 21.1 |  | 21.1 |
Sustainable Fiber Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 9.2 |  | 9.2 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 7.7 |
Amounts Remaining to be Incurred | 1.5 |  | 1.5 |
Sustainable Fiber Solutions | Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 22.3 |  | 22.3 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 2.7 |
Amounts Remaining to be Incurred | 19.6 |  | 19.6 |
Integrated Solutions |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 1.3 |  | 1.3 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 0.5 |
Amounts Remaining to be Incurred | 0.8 |  | 0.8 |
Integrated Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 0.6 |  | 0.6 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 0.4 |
Amounts Remaining to be Incurred | 0.2 |  | 0.2 |
Integrated Solutions | Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 0.7 |  | 0.7 |
Amounts Incurred During the Six Months Ended April 30, 2025 |  |  | 0.1 |
Amounts Remaining to be Incurred | $ 0.6 |  | $ 0.6 |

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