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BUSINESS SEGMENT INFORMATION - Segment Information (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2025 | Apr. 30, 2024 | Apr. 30, 2025 | Apr. 30, 2024
Operating profit: |  |  |  |
Total operating profit | $ 118.6 | $ 98.1 | $ 178.5 | $ 167.0
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 66.4 | 65.9 | 133.0 | 126.3
Customized Polymer Solutions |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 25.8 | 6.3 | 39.6 | 18.0
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 23.1 | 17.5 | 46.0 | 29.5
Durable Metal Solutions |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 54.1 | 56.5 | 91.7 | 93.4
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 7.1 | 7.2 | 13.9 | 14.5
Sustainable Fiber Solutions |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 25.9 | 18.9 | 29.5 | 27.1
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | 33.7 | 37.9 | 68.0 | 75.9
Integrated Solutions |  |  |  |
Operating profit: |  |  |  |
Total operating profit | 12.8 | 16.4 | 17.7 | 28.5
Depreciation, depletion and amortization expense: |  |  |  |
Total depreciation, depletion and amortization expense | $ 2.5 | $ 3.3 | $ 5.1 | $ 6.4

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