Acquisitions - Narrative (Details) - USD ($) $ in Thousands		1 Months Ended			3 Months Ended		9 Months Ended
	Oct. 26, 2016	Apr. 30, 2017	Aug. 31, 2016	Jun. 30, 2016	Mar. 31, 2017	Mar. 31, 2016	Mar. 31, 2017	Mar. 31, 2016	Sep. 30, 2016
Business Acquisition [Line Items]
Goodwill				$ 23,438	$ 50,909		$ 50,909
Effective income tax rate (as a percent)					30.40%	30.50%	33.50%	33.50%
Mtelligence Corporation
Business Acquisition [Line Items]
Consideration transferred	$ 37,400
Cash paid	31,900
Future contingent consideration payment (up to)	5,500
Fair value of contingent consideration	$ 5,300
Goodwill					$ 25,888		$ 25,888
Weighted average discount rate (as a percent)							19.00%
Effective income tax rate (as a percent)							34.00%
Acquisition of Technology and Trademarks
Business Acquisition [Line Items]
Consideration transferred			$ 6,000
Cash paid			5,400
Future contingent consideration payment (up to)			$ 600
Goodwill									$ 2,000
Finite-lived intangible asset, useful life			6 years
Fidelis Group, LLC
Business Acquisition [Line Items]
Cash paid				8,000
Future contingent consideration payment (up to)				$ 2,000
Goodwill					6,722		$ 6,722
Developed Technology Rights | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					11,385		$ 11,385
Finite-lived intangible asset, useful life							12 years
Developed Technology Rights | Acquisition of Technology and Trademarks
Business Acquisition [Line Items]
Finite-lived intangible assets acquired									$ 4,000
Developed Technology Rights | Fidelis Group, LLC
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					1,272		$ 1,272
In Process Research and Development | Fidelis Group, LLC
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					3,097		3,097
Customer Relationship | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					679		$ 679
Finite-lived intangible asset, useful life							6 years
Customer Relationship | Fidelis Group, LLC
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					753		$ 753
Non-compete Agreements | Mtelligence Corporation
Business Acquisition [Line Items]
Finite-lived intangible assets acquired					$ 553		$ 553
Finite-lived intangible asset, useful life							3 years
Subsequent Event | Acquisition of Technology and Trademarks, April 2017
Business Acquisition [Line Items]
Consideration transferred		$ 1,900
Cash paid		1,400
Future contingent consideration payment (up to)		$ 500