Intangible Assets - Schedule of Goodwill (Details) $ in Millions	12 Months Ended
	Oct. 31, 2024 USD ($)
Goodwill [Roll Forward]
Balance, beginning	$ 3,624.5
Net additions	157.8
Foreign currency translation adjustment	56.1
Balance, ending	3,838.4
CooperVision
Goodwill [Roll Forward]
Balance, beginning	1,747.6
Net additions	0.0
Foreign currency translation adjustment	50.2
Balance, ending	1,797.8
CooperSurgical
Goodwill [Roll Forward]
Balance, beginning	1,876.9
Net additions	157.8
Foreign currency translation adjustment	5.9
Balance, ending	$ 2,040.6