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Intangible Assets (Tables)
 6 Months Ended
Dec. 31, 2012
Reconciliation of Intangible Assets

The reconciliation of intangible assets for the six months ended December 31, 2012 and for the year ended June 30, 2012 was as follows:

 

     Six Months Ended
December 31, 2012		     Year Ended
June 30,  2012		  
     (In thousands)  

Patented technologies

     

Gross carrying amount at beginning of period

    $ 39,556      $ 55,422   

Asset impairment write-down

      —          (14,830 ) 

Foreign currency translation adjustments

      812        (1,036 ) 
  

 

 

    

 

 

  

Gross carrying amount at end of period

      40,368        39,556   
  

 

 

    

 

 

  

Accumulated amortization at beginning of period

      (35,330 )      (33,858 ) 

Amortization expense

      (386 )      (2,037 ) 

Foreign currency translation adjustments

      (769 )      565   
  

 

 

    

 

 

  

Accumulated amortization at end of period

      (36,485 )      (35,330 ) 
  

 

 

    

 

 

  

Net book value at end of period

    $ 3,883      $ 4,226