Fair Value Measurements (Schedule of Financial Assets and Liabilities Measured at Fair Value on a Recurring Basis Using Level 2 Inputs) (Details) - Significant Observable Inputs (Level 2) [Member] - USD ($) $ in Millions	Oct. 31, 2016	Oct. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities measured on a recurring basis	$ 0.0	$ 0.4
Foreign Exchange Contracts [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of assets measured on a recurring basis	0.0	1.3
Fair value of liabilities measured on a recurring basis	$ 0.0	$ 0.4