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Note 5 - Goodwill (Details) - Changes to Goodwill - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Changes to Goodwill [Abstract]    
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