Intangible Assets - Goodwill (Details) $ in Millions	12 Months Ended
	Oct. 31, 2023 USD ($)
Goodwill [Roll Forward]
Balance, beginning	$ 3,609.7
Net changes	4.1
Foreign currency translation adjustment	10.7
Balance, ending	3,624.5
CooperVision
Goodwill [Roll Forward]
Balance, beginning	1,710.3
Net changes	7.7
Foreign currency translation adjustment	29.6
Balance, ending	1,747.6
CooperSurgical
Goodwill [Roll Forward]
Balance, beginning	1,899.4
Net changes	(3.6)
Foreign currency translation adjustment	(18.9)
Balance, ending	$ 1,876.9