Business Segment Information - Schedule of Segment Information (Details) - USD ($) $ in Millions	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Segment Reporting Information [Line Items]
Total net sales	$ 858.5	$ 787.2
Total operating income	149.5	130.8
Interest expense	26.1	6.6
Other expense, net	1.3	2.3
Income before income taxes	122.1	121.9
Operating Segments | CooperVision
Segment Reporting Information [Line Items]
Total net sales	581.3	561.5
Total operating income	160.1	127.4
Operating Segments | CooperSurgical
Segment Reporting Information [Line Items]
Total net sales	277.2	225.7
Total operating income	5.8	15.6
Operating Segments | Toric lens | CooperVision
Segment Reporting Information [Line Items]
Total net sales	189.8	182.2
Operating Segments | Multifocal lens | CooperVision
Segment Reporting Information [Line Items]
Total net sales	71.8	65.8
Operating Segments | Single-use sphere lens | CooperVision
Segment Reporting Information [Line Items]
Total net sales	168.3	167.0
Operating Segments | Non single-use sphere, other | CooperVision
Segment Reporting Information [Line Items]
Total net sales	151.4	146.5
Operating Segments | Office and surgical | CooperSurgical
Segment Reporting Information [Line Items]
Total net sales	165.2	128.9
Operating Segments | Fertility | CooperSurgical
Segment Reporting Information [Line Items]
Total net sales	112.0	96.8
Corporate
Segment Reporting Information [Line Items]
Total operating income	$ (16.4)	$ (12.2)