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Summary of Significant Accounting Policies - Segments (Details)
$ in Thousands
3 Months Ended 9 Months Ended
Mar. 31, 2017
USD ($)
Mar. 31, 2016
USD ($)
Mar. 31, 2017
USD ($)
segment
Mar. 31, 2016
USD ($)
Jun. 30, 2016
USD ($)
Segment Information          
Number of operating segments | segment     1    
Revenue $ 97,312 $ 105,284 $ 271,320 $ 303,827  
Long lived tangible assets 23,353   23,353   $ 27,878
Americas          
Segment Information          
Revenue 38,720 32,667 118,545 128,957  
Long lived tangible assets 19,182   19,182   23,842
Europe, Middle East, India and Africa          
Segment Information          
Revenue 21,785 43,643 68,705 102,461  
Long lived tangible assets 706   706   551
Asia-Pacific          
Segment Information          
Revenue 13,520 16,505 35,092 49,226  
Long lived tangible assets 1,653   1,653   1,342
Japan          
Segment Information          
Revenue 23,287 $ 12,469 48,978 $ 23,183  
Long lived tangible assets $ 1,812   $ 1,812   $ 2,143