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SEGMENT DATA AND RELATED INFORMATION (Tables)
12 Months Ended
Dec. 31, 2012
Segment Reporting [Abstract]  
Schedule of Segment Reporting Information, by Segment

Management evaluates performance based on several factors, of which net revenue and gross profit by product are the primary financial measures:

 

  Year ended December 31, 
  2012  2011  2010 
Net revenue from unaffiliated customers:            
Copper and CCA wire $393,782,161  $335,574,034  $243,132,742 
Copper anode  381,114,304   287,269,353   97,613,692 
Refined copper rod  78,870,076   14,250,052   29,785,251 
  $853,766,541  $637,093,439  $370,531,685 
             
Gross profit:            
Copper and CCA wire $47,885,410  $49,722,321  $50,934,170 
Copper anode  37,667,562   25,224,807   8,506,764 
Refined copper rod  3,995,402   766,544   2,661,221 
  $89,548,374  $75,713,672  $62,102,155