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RELATED PARTY TRANSACTIONS (Details) - USD ($)
$ in Thousands
Apr. 30, 2019
Apr. 30, 2018
Jul. 31, 2016
Related Party Transaction [Line Items]      
Payables to related parties $ 0 $ 0  
Receivables from related parties $ 0 $ 0  
Nutanix, Inc. | Lightspeed Venture Partners | Lightspeed Venture Partners      
Related Party Transaction [Line Items]      
Ownership percentage by noncontrolling owners 6.30%   36.70%
PernixData [Member] | Lightspeed Venture Partners | Lightspeed Venture Partners      
Related Party Transaction [Line Items]      
Ownership percentage by noncontrolling owners     26.40%