FAIR VALUE MEASUREMENTS - Level 3 Roll Forward (Details) - USD ($) $ in Thousands	9 Months Ended
	Apr. 30, 2017	Apr. 30, 2016
Warrant
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Contingent consideration—beginning balance	$ 9,679	$ 11,683
Change in fair value	21,133	(567)
Reclassification of unexercised warrants to additional paid-in capital upon the IPO	(30,812)	0
Contingent consideration—ending balance	0	$ 11,116
Commitments
Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward]
Contingent consideration—beginning balance	0
Assumed in the PernixData Acquisition	2,371
Change in fair value	176
Contingent consideration—ending balance	$ 2,547