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Property, Plant and Equipment, net
9 Months Ended
Sep. 30, 2011
Property, Plant and Equipment, net [Abstract] 
Property, Plant and Equipment, net
4. Property, Plant and Equipment, net
 
   
September 30, 2011
  
December 31, 2010
 
Land
 $54,406  $49,052 
Buildings and improvements
  579,673   533,448 
Machinery, equipment and other
  2,047,707   1,825,503 
    2,681,786   2,408,003 
Accumulated depreciation
  (1,689,145)  (1,605,126)
Total
 $992,641  $802,877