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Note 4 - Property, Plant and Equipment (Tables)
12 Months Ended
Jun. 30, 2017
Notes Tables  
Property, Plant and Equipment [Table Text Block]
June 30
 
2017
 
 
2016
 
Land, buildings and
leasehold improvements
  $
78,048
    $
67,187
 
Machinery, equipment and other
   
199,419
     
177,745
 
Total
   
277,467
     
244,932
 
Less accumulated depreciation
   
144,307
     
138,246
 
Property, plant and equipment - net
  $
133,160
    $
106,686