Acqusitions (Details)	12 Months Ended						12 Months Ended		0 Months Ended	3 Months Ended	12 Months Ended		0 Months Ended			3 Months Ended				0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended	0 Months Ended	1 Months Ended
	Oct. 31, 2014 USD ($)	Oct. 31, 2013 USD ($)	Oct. 31, 2012 USD ($)	Oct. 31, 2014 CooperSurgical [Member] USD ($)	Oct. 31, 2013 CooperSurgical [Member] USD ($)	Oct. 31, 2012 CooperSurgical [Member] USD ($)	Oct. 31, 2014 Customer Relationships [Member]	Oct. 31, 2014 Technology [Member]	Aug. 06, 2014 Sauflon [Member] USD ($)	Oct. 31, 2014 Sauflon [Member] USD ($)	Oct. 31, 2014 Sauflon [Member] USD ($)	Aug. 01, 2014 Sauflon [Member] USD ($)	Aug. 06, 2014 Sauflon [Member] Customer Relationships [Member]	Aug. 06, 2014 Sauflon [Member] Technology [Member]	Jul. 11, 2012 Origio [Member] USD ($)	Apr. 30, 2013 Origio [Member] USD ($)	Jul. 31, 2012 Origio [Member] USD ($)	Jul. 11, 2012 Origio [Member] NOK	Jul. 11, 2012 Origio [Member] CooperSurgical [Member] USD ($)	Jul. 11, 2012 Origio [Member] Customer Relationships [Member] USD ($)	Jul. 31, 2012 Origio [Member] Customer Relationships [Member]	Jul. 11, 2012 Origio [Member] Technology [Member] USD ($)	Jul. 31, 2012 Origio [Member] Technology [Member]	Jul. 11, 2012 Origio [Member] Trade Names [Member] USD ($)	Jul. 31, 2012 Origio [Member] Trade Names [Member]
Business Acquisition [Line Items]
Business Combination, Pro Forma Information, Revenue of Acquiree since Acquisition Date, Actual										$ 49,700,000
Business Combination, Pro Forma Information, Earnings or Loss of Acquiree since Acquisition Date, Actual										2,000,000
Business Acquisition, Effective Date of Acquisition									Aug. 06, 2014
Cost of acquired entity, foreign cash paid (in NOK per share)																		28
Percentage of voting interest acquired															97.00%
Cost of acquired entity, cash paid									1,073,200,000						147,400,000
Cash paid, net of cash acquired									1,063,100,000		1,063,077,000				143,600,000
Loan notes issued									58,000,000		57,954,000
Goodwill, Purchase Accounting Adjustments																12,400,000
Purchase price allocation, working capital															8,500,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents												10,100,000			3,800,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment												83,900,000			22,400,000
Purchase price allocation, net other liabilities															1,900,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities Noncurrent												56,500,000			25,600,000
Purchase price allocation, noncontrolling interest															22,100,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities												85,100,000			45,400,000
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill												279,400,000			107,700,000
Goodwill	2,220,921,000	1,387,611,000	1,370,247,000	359,360,000	339,133,000	326,193,000						857,100,000			103,700,000
Acquired intangible asset																				82,100,000		17,400,000		8,200,000
Finite-Lived Intangible Asset, Useful Life	12 years						14 years	11 years					15 years	10 years							15 years		10 years		17 years
Acquisition costs											20,000,000						4,900,000
Goodwill deductible for tax purposes				$ 76,100,000															$ 13,100,000