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Goodwill (Tables)
6 Months Ended
Jun. 30, 2012
Goodwill [Abstract]  
Goodwill by Segment
                 
    June 30,
2012
    December 31,
2011
 
          (as reported)  
    (in millions)  

Rail Group

  $ 122.5     $ 122.5  

Construction Products Group

    91.4       90.7  

Energy Equipment Group

    10.9       10.9  

Railcar Leasing and Management Services Group

    1.8       1.8  
   

 

 

   

 

 

 
    $ 226.6     $ 225.9