Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Jun. 30, 2017
Business Acquisition [Line Items]
Goodwill	$ 76,016	$ 51,248
Mtelligence Corporation
Business Acquisition [Line Items]
Tangible assets acquired, net	779
Goodwill	25,888
Deferred tax liabilities, net	(2,099)
Total assets acquired	37,185
Apex Optimisation
Business Acquisition [Line Items]
Tangible assets acquired, net	62
Goodwill	16,579
Deferred tax liabilities, net	(1,541)
Total assets acquired	23,000
Developed Technology Rights | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	11,385
Developed Technology Rights | Apex Optimisation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	4,400
Customer Relationship | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	679
Customer Relationship | Apex Optimisation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	3,500
Non-compete Agreements | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 553