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Note 5 - Inventories (Tables)
6 Months Ended
Mar. 31, 2013
Schedule of Inventory, Current [Table Text Block]
   
March 31,
2013
   
September 30,
2012
 
Raw materials
  $ 54.1     $ 48.8  
Work-in-process
    2.2       2.4  
Finished goods
    33.1       41.7  
Total
  $ 89.4     $ 92.9