Business Segment Information (Schedule of Identifiable Assets By Segment Information) (Details) - USD ($) $ in Thousands	Apr. 30, 2016	Oct. 31, 2015
Segment Reporting Information [Line Items]
Total Identifiable assets	$ 4,601,253	$ 4,459,864
CooperVision [Member]
Segment Reporting Information [Line Items]
Total Identifiable assets	3,678,900	3,714,600
CooperSurgical [Member]
Segment Reporting Information [Line Items]
Total Identifiable assets	817,600	674,800
Corporate Segment [Member]
Segment Reporting Information [Line Items]
Total Identifiable assets	$ 104,800	$ 70,500