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Financial Assets and Liabilities - Investments Maturity Table (Details) $ in Thousands	Oct. 31, 2015 USD ($)
Available-for-Amortized Cost
Due in 1 year or less	$ 76,774
Due in 2-5 years	51,908
Due in 6-10 years	92
Total	128,774
Fair Value
Due in 1 year or less	76,784
Due in 2-5 years	51,871
Due in 6-10 years	92
Total	$ 128,747

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