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Assets held for sale (Tables)
12 Months Ended
Dec. 31, 2012
Summary of Assets Held for Sale
     December 31,  
     2011      2012  
     (In thousands)  

Byron Center facility

   $ 4,444       $  —    

River Grove facility

     1,775         1,535   

Neenah land

     430         430   
  

 

 

    

 

 

 

Total Assets Held for Sale

   $ 6,649       $ 1,965