Restructuring and Integration Costs Restructuring and Integration Costs (Narrative) (Details) - Sauflon [Member] - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2016	Oct. 31, 2015	Oct. 31, 2014
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	$ 148.3
Restructuring Charges	56.6	$ 55.6	$ 36.1
Business Combination, Integration Related Costs	10.0	35.2	2.8
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	17.8
Restructuring Charges	0.0	(2.5)	20.3
Employee Severance [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	1.1	4.0
Employee Severance [Member] | Selling, general and administrative expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges	(1.1)	(7.2)	19.7
Employee Severance [Member] | Research and Development Expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		0.7	0.6
Product Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	129.4
Restructuring Charges	56.4	57.7	15.3
Product Rationalization [Member] | Cost of Sales [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		57.7	15.3
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring and Related Cost, Cost Incurred to Date	1.1
Restructuring Charges	$ 0.2	0.4	0.5
Facility Closing [Member] | Selling, general and administrative expense [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring Charges		$ 0.4	$ 0.5