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BUSINESS SEGMENT INFORMATION - Geographic Area (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Jul. 31, 2025 | Jul. 31, 2024 | Jul. 31, 2025 | Jul. 31, 2024
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | $ 1,134.7 | $ 1,164.9 | $ 3,231.8 | $ 3,247.9
Customized Polymer Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 339.8 | 314.7 | 964.2 | 828.3
Durable Metal Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 399.8 | 424.1 | 1,120.9 | 1,208.3
Sustainable Fiber Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 308.0 | 325.6 | 900.3 | 924.2
Integrated Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 87.1 | 100.5 | 246.4 | 287.1
United States |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 570.5 | 605.9 | 1,666.6 | 1,733.4
United States | Customized Polymer Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 139.4 | 128.7 | 408.6 | 376.9
United States | Durable Metal Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 71.6 | 84.2 | 206.8 | 240.7
United States | Sustainable Fiber Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 294.3 | 311.1 | 863.8 | 884.5
United States | Integrated Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 65.2 | 81.9 | 187.4 | 231.3
Europe, Middle East and Africa |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 390.3 | 381.3 | 1,081.1 | 1,031.4
Europe, Middle East and Africa | Customized Polymer Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 139.2 | 127.2 | 390.3 | 320.9
Europe, Middle East and Africa | Durable Metal Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 238.0 | 242.8 | 655.6 | 677.8
Europe, Middle East and Africa | Sustainable Fiber Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 0.2 | 0.2 | 0.6 | 0.5
Europe, Middle East and Africa | Integrated Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 12.9 | 11.1 | 34.6 | 32.2
Asia Pacific and Other Americas |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 173.9 | 177.7 | 484.1 | 483.1
Asia Pacific and Other Americas | Customized Polymer Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 61.2 | 58.8 | 165.3 | 130.5
Asia Pacific and Other Americas | Durable Metal Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 90.2 | 97.1 | 258.5 | 289.8
Asia Pacific and Other Americas | Sustainable Fiber Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | 13.5 | 14.3 | 35.9 | 39.2
Asia Pacific and Other Americas | Integrated Solutions |  |  |  |
Segment Reporting Information [Line Items] |  |  |  |
Total net sales | $ 9.0 | $ 7.5 | $ 24.4 | $ 23.6

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