Acquisitions - Paragard (Details) - USD ($) $ in Millions		12 Months Ended
	Nov. 01, 2017	Oct. 31, 2019
Schedule Of Asset Acquisition [Line Items]
Useful life		14 years
CooperSurgical | Paragard Intrauterine Device (IUD)
Schedule Of Asset Acquisition [Line Items]
Total purchase consideration	$ 1,100.0
Property, plant and equipment	2.0
Inventory	47.3
Other assets	9.4
Total assets acquired	1,121.8
Less: liabilities assumed	16.4
Total Purchase Price	1,105.4
Inventory step up	45.4
CooperSurgical | Assembled workforce intangible asset | Paragard Intrauterine Device (IUD)
Schedule Of Asset Acquisition [Line Items]
Intangible assets	$ 1.2
Useful life	5 years
Composite intangible asset | CooperSurgical | Paragard Intrauterine Device (IUD)
Schedule Of Asset Acquisition [Line Items]
Intangible assets	$ 1,061.9
Useful life	15 years