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Note 4 - Inventories (Tables)
3 Months Ended
Sep. 30, 2016
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
9/30/2016
   
6/30/2016
 
Raw material and supplies
  $ 28,517     $ 29,209  
Goods in process and finished parts
    15,778       16,459  
Finished goods
    43,516       39,449  
      87,811       85,117  
LIFO Reserve
    (28,793
)
    (28,796
)
Inventories
  $ 59,018     $ 56,321