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Property, Plant And Equipment (Tables)
12 Months Ended
Dec. 31, 2011
Property, Plant And Equipment [Abstract]  
Schedule For Major Classes Of Property, Plant And Equipment, At Cost
     2011     2010  
     (Dollars in thousands)  

Land, buildings and leasehold improvements

   $ 189,817      $ 217,342   

Machinery and equipment

     285,771        351,261   

Computer equipment and software

     64,076        80,632   

Construction in progress

     26,390        16,489   
  

 

 

   

 

 

 
     566,054        665,724   

Less: Accumulated depreciation

     (314,142     (378,019
  

 

 

   

 

 

 

Property, plant and equipment, net

   $ 251,912      $ 287,705