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INVENTORIES (Tables)
12 Months Ended
Jul. 31, 2011
Inventories (Tables) [Abstract]  
Major Classes of Inventory
Major Classes of Inventory
 
      2011     2010
Raw materials and components $     102,745 $     97,574
Work-in-process  96,601  76,986
Finished goods  245,496  240,486
  $444,842 $415,046