Stock Incentive Plan and Employee Stock Purchase Plan - Share-Based Compensation Charges (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Share-based compensation charges
Share-based compensation expense	$ 12,638	$ 13,930	$ 11,313
Capitalized share-based compensation costs			500
Cost of revenue
Share-based compensation charges
Share-based compensation expense	1,677	1,874	1,912
Research and development expense
Share-based compensation charges
Share-based compensation expense	2,564	2,971	2,585
Selling and marketing
Share-based compensation charges
Share-based compensation expense	2,633	2,945	2,059
General and administrative
Share-based compensation charges
Share-based compensation expense	$ 5,764	$ 6,140	$ 4,757