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Goodwill and Other Intangible Assets
12 Months Ended
Jun. 30, 2012
Goodwill and Other Intangible Assets [Abstract]  
Goodwill and Other Intangible Assets
(7)
Goodwill and Other Intangibles

Goodwill and other intangibles presented below have been allocated to the Company's operating segments.

a.  Goodwill

Changes in the carrying amount of goodwill, by reportable segment, during the years ended June 30 are as follows:

      
Globe
          
   
GMI
  
Metales
  
Solsil
  
Other
  
Total
 
Balance at June 30, 2010
               
Goodwill
 $30,405   14,313   57,656   7,307   109,681 
Accumulated impairment loss
  —   —   (57,656)  —   (57,656)
    30,405   14,313   —   7,307   52,025 
Core Metals purchase price allocation adjustments
  1,124   —   —   —   1,124 
Foreign exchange rate changes
  —   —   —   354   354 
Balance at June 30, 2011
                    
Goodwill
  31,529   14,313   57,656   7,661   111,159 
Accumulated impairment loss
  —   —   (57,656)  —   (57,656)
    31,529   14,313   —   7,661   53,503 
Quebec Silicon acquisition
  3,063   —   —   —   3,063 
Foreign exchange rate changes
  (1)  —   —   175   174 
Balance at June 30, 2012
                    
Goodwill
  34,591   14,313   57,656   7,836   114,396 
Accumulated impairment loss
  —   —   (57,656)  —   (57,656)
   $34,591   14,313   —   7,836   56,740 

b.  Other Intangible Assets

There were no changes in the value of the Company's indefinite lived intangible assets during the years ended June 30, 2012 or 2011. The trade name balance is $477 at June 30, 2012 and 2011.

Amortization expense of purchased intangible assets for the years ended June 30, 2012, 2011 and 2010 was $0, $0 and $310, respectively, which is recorded in cost of goods sold.  The carrying amount of definite lived intangible assets at both June 30, 2012 and June 30, 2011 is $0.