Intangible Assets - Schedule of Goodwill (Details) $ in Millions	3 Months Ended
	Jan. 31, 2022 USD ($)
Goodwill [Roll Forward]
Beginning balance	$ 2,574.0
Current period additions	1,291.3
Foreign currency translation adjustment	(29.6)
Ending balance	3,835.7
CooperVision
Goodwill [Roll Forward]
Beginning balance	1,841.0
Current period additions	0.0
Foreign currency translation adjustment	(24.1)
Ending balance	1,816.9
CooperSurgical
Goodwill [Roll Forward]
Beginning balance	733.0
Current period additions	1,291.3
Foreign currency translation adjustment	(5.5)
Ending balance	$ 2,018.8