Stock-Based Compensation - Stock-Based Compensation Expense and its Classification in the Consolidated Statements of Operations (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2017	Dec. 31, 2016
Recorded as expenses:
Total stock-based compensation	$ 5,455	$ 4,671	$ 11,869	$ 9,630
Cost of services and other
Recorded as expenses:
Total stock-based compensation	324	374	774	743
Selling and marketing
Recorded as expenses:
Total stock-based compensation	1,006	1,010	1,891	1,965
Research and development
Recorded as expenses:
Total stock-based compensation	1,891	1,495	3,788	2,558
General and administrative
Recorded as expenses:
Total stock-based compensation	$ 2,234	$ 1,792	$ 5,416	$ 4,364