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Revenue Recognition (Details 3) - USD ($)
$ in Thousands
Oct. 31, 2019
Jul. 31, 2019
Revenue Recognition and Deferred Revenue [Abstract]    
Deferred customer contract acquisition costs included in "Other current assets" $ 1,754 $ 1,474
Deferred customer contract acquisition costs included in "Other assets" 1,916 1,716
Total $ 3,670 $ 3,190