Fair Value Measurements (Schedule of Assets and Liabilities Measures at Fair Value on a Recurring Basis) (Details) - Money Market Funds [Member] $ in Thousands	Oct. 31, 2014 USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 2,300
Quoted Prices In Active Markets (Level 1) [Member]
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]
Assets	$ 2,300