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BUSINESS SEGMENT INFORMATION - Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Operating profit: |  |  |  |
Total operating profit | $ 73.1 | $ 136.7 | $ 162.6 | $ 260.5
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense |  |  | 197.7 | 193.4
Continuing Operations |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 73.1 | 136.7 | 162.6 | 260.5
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 58.8 | 59.0 | 173.5 | 168.6
Customized Polymer Solutions | Continuing Operations |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 8.8 | 9.6 | 28.8 | 26.9
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 23.7 | 27.2 | 69.7 | 56.7
Durable Metal Solutions | Continuing Operations |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 37.6 | 36.2 | 95.1 | 99.8
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 7.3 | 7.3 | 21.2 | 21.8
Sustainable Fiber Solutions | Continuing Operations |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 23.2 | 35.9 | 30.3 | 61.8
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 25.4 | 21.0 | 75.1 | 80.2
Integrated Solutions | Continuing Operations |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 3.5 | 55.0 | 8.4 | 72.0
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | $ 2.4 | $ 3.5 | $ 7.5 | $ 9.9

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