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INVESTMENTS (Details) - Investment Income (Loss) Reflected in Earnings - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2016
Jun. 30, 2015
Jun. 30, 2014
Investments Debt And Equity Securities Abstract      
Realized gains on sales of available-for-sale securities $ 532 $ 591 $ 1,044
Realized losses on sales of trading securities (25) (1) (163)
Realized gains (losses) on sales of securities classified as other investments 3 (30) 0
Unrealized gains (losses) on trading securities (93) (601) 450
Realized gain on Galileo acquisition 0 0 290
Realized foreign currency gains 43 71 1
Other-than-temporary declines in available-for-sale securities (259) (247) (3)
Other-than-temporary declines in securities held at cost (258) 0 0
Dividend and interest income 542 651 526
Total Investment Income $ 485 $ 434 $ 2,145