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] - Foreign Exchange Contracts [Member] - USD ($) $ in Millions	Jul. 31, 2016	Oct. 31, 2015
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value financial assets	$ 0.2	$ 1.3
Fair value of financial liabilities	$ 0.1	$ 0.4