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Acquisitions Pro forma financial information (Narratives) (Details) - USD ($) $ in Thousands	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Amortization of intangibles	$ 60,790	$ 51,459	$ 35,710
Interest expense	26,190	18,103	7,965
Sauflon [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Restructuring Charges	$ 56,600	$ 55,600	36,100
Sauflon [Member] \| Pro Forma [Member]
Business Acquisition, Pro Forma Information, Nonrecurring Adjustment [Line Items]
Amortization of intangibles			22,200	$ 29,700
Interest expense			6,400	$ 9,300
Acquisition costs			$ 20,400