XML 92 R34.htm IDEA: XBRL DOCUMENT v2.4.0.6
Property, Plant and Equipment (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment  
Schedule of property, plant and equipment
(In thousands)
  Estimated
Useful Lives
  2011   2010  

Land

    $ 26,729   $ 29,456  

Land improvements

  5-20 years     17,960     18,141  

Buildings and improvements

  5-40 years     186,799     196,777  

Machinery and equipment

  3-20 years     2,977,521     3,045,335  

Uncompleted construction

      66,719     74,873  
               

Gross property, plant and equipment

        3,275,728     3,364,582  

Less accumulated depreciation

        (2,001,244 )   (1,997,609 )
               

Net property, plant and equipment

      $ 1,274,484   $ 1,366,973