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BUSINESS COMBINATIONS - PernixData Acquisition (Details) - USD ($) $ in Thousands		12 Months Ended
	Sep. 06, 2016	Jul. 31, 2018	Jul. 31, 2017	Jul. 31, 2016
Business Acquisition [Line Items]
Contingent liability adjustment		$ 2,423	$ (1,924)	$ 0
Goodwill		$ 87,759	$ 16,672	$ 0
PernixData Acquisition
Business Acquisition [Line Items]
Consideration transferred	$ 23,000
Business acquisition equity issued (in shares)	1,711,019
Payment term (in years)	3 years
Contingent consideration maximum	$ 19,000
Contingent liability	2,400
Contingent liability adjustment	1,800
Acquisition related costs	700
Goodwill	11,900
Contingent Consideration, Purchase Price | PernixData Acquisition
Business Acquisition [Line Items]
Contingent consideration maximum	7,500
Contingent Consideration, Compensation | PernixData Acquisition
Business Acquisition [Line Items]
Contingent consideration maximum	$ 11,500
Developed technology
Business Acquisition [Line Items]
Estimated Life (in years)	5 years
Developed technology | PernixData Acquisition
Business Acquisition [Line Items]
Finite-lived intangible assets, gross	$ 3,570
Estimated Life (in years)	5 years
Customer relationships | PernixData Acquisition
Business Acquisition [Line Items]
Finite-lived intangible assets, gross	$ 4,600
Estimated Life (in years)	6 years
In-process R&D | PernixData Acquisition
Business Acquisition [Line Items]
In-process R&D	$ 16,100

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- Definition

Business Combination, Contingent Consideration Arrangements, Payment Term

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Amount of consideration transferred, consisting of acquisition-date fair value of assets transferred by the acquirer, liabilities incurred by the acquirer, and equity interest issued by the acquirer.

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Amount of increase (decrease) in the value of a contingent consideration liability, including, but not limited to, differences arising upon settlement.

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