Restructuring and Integration Costs (Details) - Sauflon [Member] - USD ($) $ in Millions	9 Months Ended	12 Months Ended
	Jul. 31, 2015	Oct. 31, 2014
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred as of July 31, 2015	$ 56.7
Restructuring Reserve [Roll Forward]
Balance, beginning	20.4
Additions (reductions) during the period	20.6	$ 36.1
Payments during the period	(5.4)	(0.4)
Non-cash adjustments	(26.1)	(15.3)
Balance, ending	9.5	20.4
Employee Severance [Member]
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred as of July 31, 2015	14.4
Restructuring Reserve [Roll Forward]
Balance, beginning	19.9
Additions (reductions) during the period	(5.9)	20.3
Payments during the period	(5.3)	(0.4)
Non-cash adjustments	0.2	0.0
Balance, ending	8.9	19.9
Facility Closing [Member]
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred as of July 31, 2015	0.8
Restructuring Reserve [Roll Forward]
Balance, beginning	0.5
Additions (reductions) during the period	0.3	0.5
Payments during the period	(0.1)	0.0
Non-cash adjustments	(0.1)	0.0
Balance, ending	0.6	0.5
Product Rationalization [Member]
Restructuring Cost and Reserve [Line Items]
Cumulative amounts incurred as of July 31, 2015	41.5
Restructuring Reserve [Roll Forward]
Balance, beginning	0.0
Additions (reductions) during the period	26.2	15.3
Payments during the period	0.0	0.0
Non-cash adjustments	(26.2)	(15.3)
Balance, ending	$ 0.0	$ 0.0