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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 9 Months Ended
Mar. 31, 2014
Mar. 31, 2013
Mar. 31, 2014
Mar. 31, 2013
Segment Reporting Information        
Total revenues $ 55,064 $ 50,370 $ 157,930 $ 156,667
Americas
       
Segment Reporting Information        
Total revenues 32,641 33,098 101,557 97,720
Asia Pacific
       
Segment Reporting Information        
Total revenues 22,423 17,272 56,373 58,947
UNITED STATES
       
Segment Reporting Information        
Total revenues 31,619 32,721 98,415 96,779
JAPAN
       
Segment Reporting Information        
Total revenues $ 19,202 $ 15,284 $ 48,122 $ 55,080