Business Segment Information - Schedule of Identifiable Assets by Segment (Details) - USD ($) $ in Millions	Jul. 31, 2023	Oct. 31, 2022
Segment Reporting Information [Line Items]
Total Identifiable assets	$ 11,697.3	$ 11,492.3
Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total Identifiable assets	7,042.4	6,778.9
Operating Segments | CooperSurgical
Segment Reporting Information [Line Items]
Total Identifiable assets	4,392.9	4,407.8
Corporate
Segment Reporting Information [Line Items]
Total Identifiable assets	$ 262.0	$ 305.6