Acquisitions - Schedule of Recognized Identified Assets Acquired and Liabilities Assumed (Details) - USD ($) $ in Thousands	Jun. 30, 2016	Jun. 30, 2015
Business Acquisition [Line Items]
Goodwill	$ 23,438	$ 17,360
Fidelis
Business Acquisition [Line Items]
Tangible assets acquired, net	65
Goodwill	6,784
Deferred tax liabilities, net	(1,849)
Total assets acquired	10,000
Fidelis | Developed technology
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	1,100
Fidelis | Customer relationships
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	700
Fidelis | In process research & development
Business Acquisition [Line Items]
Finite-lived intangible assets acquired	$ 3,200