XML 55 R31.htm IDEA: XBRL DOCUMENT v2.4.0.6
PROPERTY, PLANT AND EQUIPMENT, NET (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment, Net

Property, plant and equipment, net at December 31 is as follows:

 

     2011     2010  
     (Dollars in thousands)  

Land

   $ 58,322      $ 11,065   

Buildings and improvements

     284,249        241,498   

Machinery and equipment

     2,146,010        1,940,579   

Construction in progress

     81,297        63,409   
  

 

 

   

 

 

 
     2,569,878        2,256,551   

Accumulated depreciation

     (1,505,170     (1,406,831
  

 

 

   

 

 

 
   $ 1,064,708      $ 849,720