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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 | 9 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | $ 56.9 |  | $ 56.9 |
Amounts Incurred During the Nine Months Ended July 31, 2025 | 12.7 | $ 2.7 | 26.6 | $ 1.6
Amounts Remaining to be Incurred | 30.3 |  | 30.3 |
Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Amounts Incurred During the Nine Months Ended July 31, 2025 | 7.0 |  | 17.6 |
Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Amounts Incurred During the Nine Months Ended July 31, 2025 | 5.7 |  | 9.0 |
Customized Polymer Solutions |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 2.9 |  | 2.9 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 2.0 |
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 | 2.5 |  | 2.5 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 1.7 |
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 Nine Months Ended July 31, 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 | 13.9 |  | 13.9 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 4.0 |
Amounts Remaining to be Incurred | 9.9 |  | 9.9 |
Durable Metal Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 5.8 |  | 5.8 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 3.7 |
Amounts Remaining to be Incurred | 2.1 |  | 2.1 |
Durable Metal Solutions | Other restructuring costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 8.1 |  | 8.1 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 0.3 |
Amounts Remaining to be Incurred | 7.8 |  | 7.8 |
Sustainable Fiber Solutions |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 38.4 |  | 38.4 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 19.9 |
Amounts Remaining to be Incurred | 18.5 |  | 18.5 |
Sustainable Fiber Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 13.2 |  | 13.2 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 11.7 |
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 | 25.2 |  | 25.2 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 8.2 |
Amounts Remaining to be Incurred | 17.0 |  | 17.0 |
Integrated Solutions |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 1.7 |  | 1.7 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 0.7 |
Amounts Remaining to be Incurred | 1.0 |  | 1.0 |
Integrated Solutions | Employee separation costs |  |  |  |
Restructuring and Related Costs [Line Items] |  |  |  |
Total Amounts Expected to be Incurred | 1.0 |  | 1.0 |
Amounts Incurred During the Nine Months Ended July 31, 2025 |  |  | 0.5 |
Amounts Remaining to be Incurred | 0.5 |  | 0.5 |
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 Nine Months Ended July 31, 2025 |  |  | 0.2 |
Amounts Remaining to be Incurred | $ 0.5 |  | $ 0.5 |

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