Schedule II (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2015	Oct. 31, 2014	Oct. 31, 2013
Valuation and Qualifying Accounts Disclosure [Line Items]
Less valuation allowance	$ 13.4	$ 14.5
Allowance for Doubtful Accounts [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	6.0	5.3	$ 4.4
Additions Charged to Costs and Expenses	1.7	1.7	1.5
(Deductions) Recoveries/Other	(1.7)	(1.0)	(0.6)
Balance End of Year	6.0	6.0	5.3
Deferred Income Tax Charge [Member]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance Beginning of Year	14.5	1.0	1.1
Additions Charged to Costs and Expenses	0.0	13.5	0.0
(Deductions) Recoveries/Other	(1.1)	0.0	(0.1)
Balance End of Year	$ 13.4	14.5	$ 1.0
Sauflon [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Less valuation allowance		$ 13.5