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Note 5 - Goodwill (Tables)
 12 Months Ended
Jun. 30, 2017
Notes Tables  
Schedule of Goodwill [Table Text Block]
 
 
2017
 
 
2016
 
Balance at beginning of year
   $
175,293
     $
172,671
 
Accumulated impairment losses
    
17,939
     
17,939
 
Balance at beginning of year, net
    
157,354
      
154,732
 
Acquisitions
    
85,561
      
5,121
 
Disposals
    
-
      
(273
 )
Foreign currency translation
    
(225
 )    
(2,226
 )
Balance at end of year
   $
242,690
     $
157,354