Business Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2022	Jan. 31, 2021
Segment Reporting Information [Line Items]
Total net sales	$ 787.2	$ 680.5
Total operating income	130.8	133.4
Interest expense	6.6	6.4
Other expense (income), net	2.3	(12.5)
Income before income taxes	121.9	139.5
Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total net sales	561.5	507.0
Total operating income	127.4	127.5
Operating Segments | CooperSurgical
Segment Reporting Information [Line Items]
Total net sales	225.7	173.5
Total operating income	15.6	17.5
Corporate
Segment Reporting Information [Line Items]
Total operating income	(12.2)	(11.6)
Toric lens | Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total net sales	182.2	162.3
Multifocal lens | Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total net sales	65.8	57.7
Single-use sphere lens | Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total net sales	167.0	146.0
Non single-use sphere, other | Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total net sales	146.5	141.0
Office and surgical products | Operating Segments | CooperSurgical
Segment Reporting Information [Line Items]
Total net sales	128.9	103.5
Fertility | Operating Segments | CooperSurgical
Segment Reporting Information [Line Items]
Total net sales	$ 96.8	$ 70.0