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, unless otherwise specified	Apr. 30, 2012	Oct. 31, 2011
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities measured on a recurring basis	$ 4.6	$ 5.0
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	0.4	0.5
Fair value of liabilities measured on a recurring basis	0.4	0.4
Interest Rate Swaps [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Fair value of liabilities measured on a recurring basis	$ 4.2	$ 4.6