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Inventories
6 Months Ended
Jun. 30, 2011
Inventories [Abstract]  
Inventories
(6) Inventories
     The following table details our inventories and the reduction of certain inventories to a LIFO basis.
                 
    June 30,     December 31,  
    2011     2010  
Inventories (at FIFO, which approximates replacement value):
               
Raw materials
  $ 115.0     $ 94.5  
Work in process
    143.8       112.6  
Finished goods
    396.9       337.8  
 
           
Subtotal (at FIFO)
    655.7       544.9  
Reduction of certain inventories to LIFO basis
    (53.9 )     (49.1 )
 
           
Total
  $ 601.8     $ 495.8  
 
           
     We determine the value of non-equipment U.S. inventories by the last-in, first-out or LIFO inventory method. U.S. inventories determined by the LIFO method were $136 million at June 30, 2011 and $102 million at December 31, 2010.