Restructuring and Integration Costs (Narrative) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended		12 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015	Oct. 31, 2015	Oct. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and related activities, completion date			Oct. 31, 2016
Sauflon [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	$ 125,000		$ 125,000
Additions during the period			24,800		$ 55,600	$ 36,100
Integration costs	0	$ 10,700	10,000	$ 24,700
Sauflon [Member] | Product Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	103,000		103,000
Additions during the period			23,500		57,700	15,300
Sauflon [Member] | Product Rationalization [Member] | Cost of sales [Member]
Restructuring Cost and Reserve [Line Items]
Additions during the period	8,700	12,400	23,500	26,200
Sauflon [Member] | Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	20,000		20,000
Additions during the period			1,100		(2,500)	20,300
Sauflon [Member] | Employee Severance [Member] | Cost of sales [Member]
Restructuring Cost and Reserve [Line Items]
Additions during the period	400	300	900
Sauflon [Member] | Employee Severance [Member] | Selling, general and administrative expense [Member]
Restructuring Cost and Reserve [Line Items]
Additions during the period		(2,300)	100	(6,700)
Sauflon [Member] | Employee Severance [Member] | Research and development expense [Member]
Restructuring Cost and Reserve [Line Items]
Additions during the period		$ 200	100	500
Sauflon [Member] | Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and related cost, expected cost	$ 2,000		2,000
Additions during the period			200		$ 400	$ 500
Sauflon [Member] | Facility Closing [Member] | Selling, general and administrative expense [Member]
Restructuring Cost and Reserve [Line Items]
Additions during the period			$ 200	$ 300