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Inventories
3 Months Ended
Dec. 31, 2011
Inventories  
Inventories
Note 8. Inventories
                 
    December 31,     September 30,  
    2011     2011  
 
               
Raw materials
  $ 53,415     $ 43,172  
Work in progress
    90,409       108,718  
Component parts and finished goods
    264,655       229,665  
 
           
 
               
 
  $ 408,479     $ 381,555