Acquisitions (Details) - USD ($) $ in Thousands	Aug. 06, 2014	Jul. 31, 2015	Oct. 31, 2014	Aug. 01, 2014	Oct. 31, 2013
Business Acquisition [Line Items]
Goodwill		$ 2,189,153	$ 2,220,921		$ 1,387,611
Sauflon [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Aug. 06, 2014
Payments to Acquire Businesses, Gross	$ 1,073,200
Payments to Acquire Businesses, Net of Cash Acquired	1,063,100
Business Combination, Consideration Transferred, Liabilities Incurred	58,000
Goodwill				$ 856,200
Purchased intangible assets				279,400
Cash and Equivalents				10,100
Property, Plant, and Equipment				83,900
Inventories				36,200
Trade accounts receivable				42,300
Other Current Assets				6,900
Debt				(85,100)
Accounts Payable				(23,600)
Long term deferred tax liabilities				(56,700)
Other creditors and current liabilities				(18,500)
Net tangible liabilities				(4,500)
Total purchase consideration	$ 1,131,100
Trademarks [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Finite-Lived Intangibles				7,200
Technology-Based Intangible Assets [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Finite-Lived Intangibles				138,200
Customer Relationships [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years
Finite-Lived Intangibles				39,300
License and distribution right and other [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangibles				51,600
Minimum [Member] | License and distribution right and other [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	2 years
Maximum [Member] | License and distribution right and other [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
In Process Research and Development [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Indefinite-Lived Intangible Assets				$ 43,100