Acquisitions Acquisitions (Details) (USD $)	0 Months Ended
	Aug. 06, 2014	Jan. 31, 2015	Oct. 31, 2014	Oct. 31, 2013	Aug. 01, 2014
Business Acquisition [Line Items]
Goodwill		$ 2,157,577,000	$ 2,220,921,000	$ 1,387,611,000
Sauflon [Member]
Business Acquisition [Line Items]
Business Acquisition, Effective Date of Acquisition	Aug. 06, 2014
Payments to Acquire Businesses, Gross	1,073,200,000
Payments to Acquire Businesses, Net of Cash Acquired	1,063,100,000
Business Combination, Consideration Transferred, Liabilities Incurred	58,000,000
Goodwill					857,100,000
Purchased intangible assets					279,400,000
Cash and Equivalents					10,100,000
Property, Plant, and Equipment					83,900,000
Inventories					36,200,000
Trade accounts receivable					42,300,000
Other Current Assets					6,900,000
Debt					(85,100,000)
Accounts Payable					(23,600,000)
Long term deferred tax liabilities					(56,500,000)
Other creditors and current liabilities					(19,600,000)
Net tangible liabilities					(5,400,000)
Total purchase consideration	1,131,100,000
Trademarks [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Finite-Lived Intangibles					7,200,000
Technology-Based Intangible Assets [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	10 years
Finite-Lived Intangibles					138,200,000
Customer Relationships [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangible Asset, Useful Life	15 years
Finite-Lived Intangibles					39,300,000
License and distribution right and other [Member] | Sauflon [Member]
Business Acquisition [Line Items]
Finite-Lived Intangibles					51,600,000
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					$ 43,100,000