Summary of Significant Accounting Policies - Revenue from Unaffiliated Customers by Geographic Regions and Significant Geographic Area (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Segment Reporting Information
Total revenues	$ 51,538	$ 53,438	$ 102,866	$ 106,297
Americas
Segment Reporting Information
Total revenues	34,418	32,112	68,916	64,419
Asia Pacific
Segment Reporting Information
Total revenues	17,120	21,326	33,950	41,878
UNITED STATES
Segment Reporting Information
Total revenues	33,317	31,789	66,796	63,854
JAPAN
Segment Reporting Information
Total revenues	$ 14,340	$ 20,468	$ 28,920	$ 39,999