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Inventories
9 Months Ended
May 31, 2011
Inventories [Abstract]  
Inventories
8. Inventories
          Inventories include materials, direct labor, and related manufacturing overhead. Inventories are stated at the lower of cost (on a first-in, first-out or average cost basis) or market and consist of the following:
                 
    May 31,     August 31,  
    2011     2010  
Raw materials and supplies
  $ 90.3     $ 76.4  
Work in process
    7.1       8.8  
Finished goods
    90.4       73.2  
 
           
 
    187.8       158.4  
Less: Reserves
    (9.8 )     (9.4 )
 
           
Total Inventory
  $ 178.0     $ 149.0