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BUSINESS SEGMENT INFORMATION - Geographic Area (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Segment Reporting Information [Line Items]
Total net sales	$ 1,385.7	$ 1,371.0	$ 2,651.5	$ 2,576.8
Customized Polymer Solutions
Segment Reporting Information [Line Items]
Total net sales	329.3	285.6	624.4	513.6
Durable Metal Solutions
Segment Reporting Information [Line Items]
Total net sales	378.9	413.7	721.1	784.2
Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Total net sales	599.1	580.1	1,160.5	1,108.9
Integrated Solutions
Segment Reporting Information [Line Items]
Total net sales	78.4	91.6	145.5	170.1
United States
Segment Reporting Information [Line Items]
Total net sales	861.8	857.5	1,650.6	1,621.3
United States | Customized Polymer Solutions
Segment Reporting Information [Line Items]
Total net sales	143.5	134.9	269.3	248.0
United States | Durable Metal Solutions
Segment Reporting Information [Line Items]
Total net sales	72.1	84.6	135.2	156.5
United States | Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Total net sales	587.7	566.6	1,137.7	1,083.8
United States | Integrated Solutions
Segment Reporting Information [Line Items]
Total net sales	58.5	71.4	108.4	133.0
Europe, Middle East and Africa
Segment Reporting Information [Line Items]
Total net sales	370.1	355.5	690.8	650.1
Europe, Middle East and Africa | Customized Polymer Solutions
Segment Reporting Information [Line Items]
Total net sales	134.3	109.5	251.0	193.8
Europe, Middle East and Africa | Durable Metal Solutions
Segment Reporting Information [Line Items]
Total net sales	223.6	233.7	417.6	435.0
Europe, Middle East and Africa | Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Total net sales	0.2	0.2	0.5	0.3
Europe, Middle East and Africa | Integrated Solutions
Segment Reporting Information [Line Items]
Total net sales	12.0	12.1	21.7	21.0
Asia Pacific and Other Americas
Segment Reporting Information [Line Items]
Total net sales	153.8	158.0	310.1	305.4
Asia Pacific and Other Americas | Customized Polymer Solutions
Segment Reporting Information [Line Items]
Total net sales	51.5	41.2	104.1	71.8
Asia Pacific and Other Americas | Durable Metal Solutions
Segment Reporting Information [Line Items]
Total net sales	83.2	95.4	168.3	192.7
Asia Pacific and Other Americas | Sustainable Fiber Solutions
Segment Reporting Information [Line Items]
Total net sales	11.2	13.3	22.3	24.8
Asia Pacific and Other Americas | Integrated Solutions
Segment Reporting Information [Line Items]
Total net sales	$ 7.9	$ 8.1	$ 15.4	$ 16.1

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