BUSINESS SEGMENT INFORMATION - Property, Plant and Equipment, Net by Geographical Area (Details) - USD ($) $ in Millions	Sep. 30, 2025	Oct. 31, 2024
Assets:
Total assets	$ 5,766.8	$ 6,647.6
Long lived assets, net:
Total properties, plants and equipment, net	1,355.8	1,639.6
Operating Segments
Assets:
Total assets	5,308.5	6,194.4
Operating Segments | Customized Polymer Solutions
Assets:
Total assets	1,872.9	1,818.7
Operating Segments | Durable Metal Solutions
Assets:
Total assets	1,184.3	1,183.8
Operating Segments | Sustainable Fiber Solutions
Assets:
Total assets	1,848.1	2,788.8
Operating Segments | Integrated Solutions
Assets:
Total assets	403.2	403.1
Corporate and other
Assets:
Total assets	458.3	453.2
United States
Long lived assets, net:
Total properties, plants and equipment, net	814.7	1,119.9
Europe, Middle East and Africa
Long lived assets, net:
Total properties, plants and equipment, net	392.2	373.7
Asia Pacific and other Americas
Long lived assets, net:
Total properties, plants and equipment, net	$ 148.9	$ 146.0