Business Segment Information - Schedule of Business Segment Net Sales (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Segment Reporting Information [Line Items]
Net sales	$ 3,895.4	$ 3,593.2	$ 3,308.4
Coopervision Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	2,609.4	2,423.7	2,243.3
Coopersurgical Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,286.0	1,169.5	1,065.1
Toric and multifocal | Coopervision Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,257.2	1,134.4	1,001.8
Sphere, other | Coopervision Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	1,352.2	1,289.3	1,241.5
Office and surgical | Coopersurgical Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	774.7	689.5	633.6
Fertility | Coopersurgical Segment | Operating Segments
Segment Reporting Information [Line Items]
Net sales	$ 511.3	$ 480.0	$ 431.5