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BUSINESS SEGMENT INFORMATION - Additional Segment Information (Details) - USD ($) $ in Millions | 11 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2025 | Oct. 31, 2024 | Oct. 31, 2023
Depreciation, depletion and amortization expense: |  |  |
Total depreciation, depletion and amortization expense | $ 236.9 | $ 261.3 | $ 230.6
Continuing Operations |  |  |
Depreciation, depletion and amortization expense: |  |  |
Total depreciation, depletion and amortization expense | 212.7 | 227.7 | 198.0
Capital expenditures: |  |  |
Total capital expenditures | 107.5 | 124.3 | 170.1
Customized Polymer Solutions | Continuing Operations |  |  |
Depreciation, depletion and amortization expense: |  |  |
Total depreciation, depletion and amortization expense | 86.3 | 79.3 | 47.4
Durable Metal Solutions | Continuing Operations |  |  |
Depreciation, depletion and amortization expense: |  |  |
Total depreciation, depletion and amortization expense | 25.6 | 29.1 | 28.7
Sustainable Fiber Solutions | Continuing Operations |  |  |
Depreciation, depletion and amortization expense: |  |  |
Total depreciation, depletion and amortization expense | 91.8 | 106.6 | 109.4
Integrated Solutions | Continuing Operations |  |  |
Depreciation, depletion and amortization expense: |  |  |
Total depreciation, depletion and amortization expense | 9.0 | 12.7 | 12.5
Operating Segments | Continuing Operations |  |  |
Capital expenditures: |  |  |
Total capital expenditures | 106.1 | 122.5 | 152.1
Operating Segments | Customized Polymer Solutions | Continuing Operations |  |  |
Capital expenditures: |  |  |
Total capital expenditures | 37.3 | 46.1 | 37.7
Operating Segments | Durable Metal Solutions | Continuing Operations |  |  |
Capital expenditures: |  |  |
Total capital expenditures | 19.2 | 25.7 | 32.1
Operating Segments | Sustainable Fiber Solutions | Continuing Operations |  |  |
Capital expenditures: |  |  |
Total capital expenditures | 44.4 | 44.8 | 70.2
Operating Segments | Integrated Solutions | Continuing Operations |  |  |
Capital expenditures: |  |  |
Total capital expenditures | 5.2 | 5.9 | 12.1
Corporate and other | Continuing Operations |  |  |
Capital expenditures: |  |  |
Total capital expenditures | $ 1.4 | $ 1.8 | $ 18.0

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