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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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