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Other Noncurrent Liabilities (Tables)
 12 Months Ended
Dec. 31, 2011
Other Noncurrent Liabilities [Abstract]  
Schedule Of Other Noncurrent Liabilities
     December 31  
     2011      2010  

Employee benefits

    $ 120,558       $ 90,584   

Interest rate swaps

      33,424         19,717   

Environmental remediation

      18,467         19,632   

Asbestos litigation reserve

      9,389         12,030   

Environmental dismantling

      337         478   

Other

      11,269         4,729   
  

 

 

     

 

 

  
   $ 193,444       $ 147,170