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Commitments and Contingencies (Tables)
6 Months Ended
Jun. 30, 2011
Commitments and Contingencies  
Schedule of Environmental Liabilities
     June 30,      December 31,  
     2011      2010  

Newark, New Jersey and Vasset, France

   $ 1,363       $ 1,492   

Joplin, Missouri

     1,293         1,319   
  

 

 

    

 

 

 
   $ 2,656       $ 2,811