Commitments and Contingencies (Details 3) $ in Thousands	Oct. 31, 2016 USD ($)
Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract]
Operating Leases, Future Minimum Payments Due, Next Twelve Months	$ 11,634
Operating Leases, Future Minimum Payments, Due in Two Years	9,182
Operating Leases, Future Minimum Payments, Due in Three Years	7,044
Operating Leases, Future Minimum Payments, Due in Four Years	2,337
Operating Leases, Future Minimum Payments, Due in Five Years	994
Operating Leases, Future Minimum Payments, Due Thereafter	694
Operating Leases, Future Minimum Payments Due	$ 31,885