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Fair Value of Financial Instruments Fair Value of Assets and Liabilities Measured on a Recurring and Nonrecurring Basis (Details) - USD ($)
$ in Thousands
Apr. 30, 2015
Oct. 31, 2014
Interest Rate Swap [Member] | Fair Value, Measurements, Recurring [Member] | Fair Value, Inputs, Level 2 [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Interest Rate Swap Contracts $ (4,308) $ (2,510)