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Business Segments
 12 Months Ended
Dec. 31, 2011
Business Segments [Abstract]  
Business Segments
20.
Business Segments
 
We operate in one reportable business segment, primary aluminum.  A reconciliation of our consolidated assets to the total of primary aluminum segment assets is provided below.

Segment assets (1)
 
2011
  
2010
  
2009
 
           
Primary
 $1,767,305  $1,895,430  $1,815,589 
Corporate, unallocated
  43,789   27,626   46,161 
Total assets
 $1,811,094  $1,923,056  $1,861,750 

(1)
Segment assets include cash and cash equivalents, accounts receivable, due from affiliates, prepaid and other current assets, inventory, intangible assets and property, plant and equipment-net; the remaining assets are unallocated corporate assets.
 
Geographic information
 
Included in the consolidated financial statements are the following amounts related to geographic locations:

   
2011
  
2010
  
2009
 
Net sales:
         
United States
 $835,796  $714,409  $565,999 
Iceland
  520,628   453,021   332,927 
Other
  -   1,841   327 
Long-lived assets:(1)
            
United States
 $401,173  $412,266  $436,798 
Iceland
  884,682   894,297   899,855 
Other
  36,919   39,415   35,629 

(1)
Includes long-lived assets other than financial instruments.
 
Major customer information
 
We had three major customers whose sales revenue exceeded 10% of our net sales.  A loss of any of these customers could have a material adverse effect on our results of operations.  The  net sales revenue for these customers are as follows:
 
Net sales revenue from major customers:
   
Year Ended December 31,
 
 
 
2011
  
2010
  
2009
 
Glencore
 $564,431  $413,408  $230,909 
Southwire
  373,505   323,873   234,535 
BHP Billiton
  239,157   214,571   166,546