Summary of Significant Accounting Policies - Revenue by Geographic Regions and Significant Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2015	Dec. 31, 2014
Segment Reporting Information
Total revenues	$ 51,995	$ 48,247	$ 97,347	$ 99,880
Americas
Segment Reporting Information
Total revenues	40,055	35,040	74,781	71,496
Asia/Pacific
Segment Reporting Information
Total revenues	11,940	13,207	22,566	28,384
United States
Segment Reporting Information
Total revenues	38,761	33,704	72,257	68,713
Japan
Segment Reporting Information
Total revenues	$ 9,220	$ 10,441	$ 17,813	$ 22,635