Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Jun. 30, 2017
Business Acquisition [Line Items]
Goodwill	$ 55,703	$ 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
Developed Technology Rights | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	11,385
Customer Relationship | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	679
Non-compete Agreements | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 553