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Intangible Assets (Tables)
 3 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Reconciliation of Intangible Assets

The reconciliation of intangible assets for the three months ended September 30, 2016 and for the year ended June 30, 2016 was as follows (in thousands):

 

     Three Months Ended
September 30, 2016		      Year Ended
June 30, 2016		  

Patented technologies

      

Gross carrying amount at beginning of period

    $ 36,196       $ 39,710   

Foreign currency translation adjustments

      (635 )       (3,514 ) 
  

 

 

     

 

 

  

Gross carrying amount at end of period

      35,561         36,196   
  

 

 

     

 

 

  

Accumulated amortization at beginning of period

      (35,094 )       (37,785 ) 

Amortization expense

      (183 )       (756 ) 

Foreign currency translation adjustments

      626         3,447   
  

 

 

     

 

 

  

Accumulated amortization at end of period

      (34,651 )       (35,094 ) 
  

 

 

     

 

 

  

Net book value at end of period

    $ 910       $ 1,102