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Inventories
9 Months Ended
Jun. 30, 2011
Inventories [Abstract]  
Inventories
4. Inventories
Inventories consist of (in millions):
                 
    June 30,     September 30,  
    2011     2010  
 
               
Finished goods
  $ 253.5     $ 244.2  
Work in process
    162.0       144.1  
Raw materials, parts and supplies
    275.0       215.0  
 
           
 
Inventories
  $ 690.5     $ 603.3  
 
           
We report inventories net of the allowance for excess and obsolete inventory of $49.1 million at June 30, 2011 and $46.3 million at September 30, 2010.