Summary of Significant Accounting Policies - Revenue by Geographic Regions and Significant Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Segment Reporting Information
Total revenues	$ 56,160	$ 45,155	$ 153,507	$ 145,035
Americas
Segment Reporting Information
Total revenues	44,012	32,901	118,793	104,397
Asia/Pacific & Europe
Segment Reporting Information
Total revenues	12,148	12,254	34,714	40,638
United States
Segment Reporting Information
Total revenues	42,565	31,715	114,822	100,428
Japan
Segment Reporting Information
Total revenues	$ 9,023	$ 9,678	$ 26,836	$ 32,313