Intangible Assets (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	9 Months Ended	12 Months Ended
	Jul. 31, 2015	Oct. 31, 2014
Goodwill [Roll Forward]
Balance, beginning	$ 2,220,921	$ 1,387,611
Net additions during the year ended October 31, 2014		882,689
Net reductions during the nine-month period ended July 31, 2015	(1,197)
Translation	(30,571)	(49,379)
Balance, ending	2,189,153	2,220,921
CooperVision [Member]
Goodwill [Roll Forward]
Balance, beginning	1,861,561	1,048,478
Net additions during the year ended October 31, 2014		857,146
Net reductions during the nine-month period ended July 31, 2015	(1,189)
Translation	(23,306)	(44,063)
Balance, ending	1,837,066	1,861,561
CooperSurgical [Member]
Goodwill [Roll Forward]
Balance, beginning	359,360	339,133
Net additions during the year ended October 31, 2014		25,543
Net reductions during the nine-month period ended July 31, 2015	(8)
Translation	(7,265)	(5,316)
Balance, ending	$ 352,087	$ 359,360