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Note 5 - Goodwill (Tables)
 12 Months Ended
Jun. 30, 2015
Disclosure Text Block Supplement [Abstract]  
Schedule of Goodwill [Table Text Block]
   

2015

    

2014

  

Balance at beginning of year

   $ 143,904     $ 129,844  

Accumulated impairment losses

     17,939       17,939  

Balance at beginning of year, net

     125,965       111,905  

Acquisitions

     34,881       12,132  

Foreign currency translation

     (6,114 )     1,928  

Balance at end of year

   $ 154,732     $ 125,965