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Inventories
6 Months Ended
Sep. 30, 2012
Inventories [Abstract]  
Inventories
Note 8: Inventories

Inventories consisted of the following:

   
September 30, 2012
  
March 31, 2012
 
Raw materials and work in process
 $86,994  $88,632 
Finished goods
  34,591   32,187 
Total inventories
 $121,585  $120,819