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Note 4 - Inventories (Tables)
9 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Inventory, Current [Table Text Block]
   
3/31/2017
   
6/30/2016
 
Raw material and supplies
  $
26,919
    $
29,209
 
Goods in process and finished parts
   
17,356
     
16,459
 
Finished goods
   
41,220
     
39,449
 
     
85,495
     
85,117
 
LIFO Reserve
   
(27,270
)
   
(28,796
)
Inventories
  $
58,225
    $
56,321