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Note B - Inventories (Tables)
 9 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
March 31, 2017
    
June 30, 2016
  
Inventories:
                
Finished parts
   $
45,854
    $
45,622
 
Work in process
    
9,339
     
8,020
 
Raw materials
    
11,663
     
12,927
 
    $
66,856
    $
66,569