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Property, Plant and Equipment, Net
12 Months Ended
Dec. 31, 2011
Property, Plant and Equipment, Net  
Property, Plant and Equipment, Net

9.     Property, Plant and Equipment, Net

        Property, plant and equipment, net consisted of the following:

 
  December 31,  
 
  2011   2010  
 
  (in millions)
 

Land

  $ 1.6   $ 1.6  

Buildings and improvements

    7.3     6.9  

Plant and equipment

    267.3     260.2  

Construction in progress

    3.0     4.9  
           

 

    279.2     273.6  

Less: Accumulated depreciation and amortization

    201.9     190.4  
           

 

  $ 77.3   $ 83.2