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RESTRUCTURING CHARGES - Amounts Expected to be Incurred, Amounts Incurred, and Amounts Remaining to Be Incurred (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred $ 56.9   $ 56.9  
Amounts Incurred During the Nine Months Ended July 31, 2025 12.7 $ 2.7 26.6 $ 1.6
Amounts Remaining to be Incurred 30.3   30.3  
Employee separation costs        
Restructuring and Related Costs [Line Items]        
Amounts Incurred During the Nine Months Ended July 31, 2025 7.0   17.6  
Other restructuring costs        
Restructuring and Related Costs [Line Items]        
Amounts Incurred During the Nine Months Ended July 31, 2025 5.7   9.0  
Customized Polymer Solutions        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 2.9   2.9  
Amounts Incurred During the Nine Months Ended July 31, 2025     2.0  
Amounts Remaining to be Incurred 0.9   0.9  
Customized Polymer Solutions | Employee separation costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 2.5   2.5  
Amounts Incurred During the Nine Months Ended July 31, 2025     1.7  
Amounts Remaining to be Incurred 0.8   0.8  
Customized Polymer Solutions | Other restructuring costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 0.4   0.4  
Amounts Incurred During the Nine Months Ended July 31, 2025     0.3  
Amounts Remaining to be Incurred 0.1   0.1  
Durable Metal Solutions        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 13.9   13.9  
Amounts Incurred During the Nine Months Ended July 31, 2025     4.0  
Amounts Remaining to be Incurred 9.9   9.9  
Durable Metal Solutions | Employee separation costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 5.8   5.8  
Amounts Incurred During the Nine Months Ended July 31, 2025     3.7  
Amounts Remaining to be Incurred 2.1   2.1  
Durable Metal Solutions | Other restructuring costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 8.1   8.1  
Amounts Incurred During the Nine Months Ended July 31, 2025     0.3  
Amounts Remaining to be Incurred 7.8   7.8  
Sustainable Fiber Solutions        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 38.4   38.4  
Amounts Incurred During the Nine Months Ended July 31, 2025     19.9  
Amounts Remaining to be Incurred 18.5   18.5  
Sustainable Fiber Solutions | Employee separation costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 13.2   13.2  
Amounts Incurred During the Nine Months Ended July 31, 2025     11.7  
Amounts Remaining to be Incurred 1.5   1.5  
Sustainable Fiber Solutions | Other restructuring costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 25.2   25.2  
Amounts Incurred During the Nine Months Ended July 31, 2025     8.2  
Amounts Remaining to be Incurred 17.0   17.0  
Integrated Solutions        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 1.7   1.7  
Amounts Incurred During the Nine Months Ended July 31, 2025     0.7  
Amounts Remaining to be Incurred 1.0   1.0  
Integrated Solutions | Employee separation costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 1.0   1.0  
Amounts Incurred During the Nine Months Ended July 31, 2025     0.5  
Amounts Remaining to be Incurred 0.5   0.5  
Integrated Solutions | Other restructuring costs        
Restructuring and Related Costs [Line Items]        
Total Amounts Expected to be Incurred 0.7   0.7  
Amounts Incurred During the Nine Months Ended July 31, 2025     0.2  
Amounts Remaining to be Incurred $ 0.5   $ 0.5