XML 34 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
Property, Plant, and Equipment (Tables)
 3 Months Ended
Mar. 31, 2012
Property, Plant, and Equipment  
Summary of costs for property, plant, and equipment

 

 
   March 31,
2012 		  December 31,
2011 		 
 
   (in thousands)
  

Land and improvements

   $ 26,673   $ 26,136  

Buildings

     37,375     37,289  

Machinery and equipment

     1,992,653     1,967,269  

Automotive equipment

     10,621     10,217  

Furniture and fixtures

     12,664     12,349  

Leasehold improvements

     1,970     1,445  

Railcars

     2,496     2,496  

Construction in progress

     117,204     94,085  
           

 

     2,201,656     2,151,286  

Accumulated depreciation

     509,522     478,325  
           

 

   $ 1,692,134   $ 1,672,961