Annual report pursuant to Section 13 and 15(d)

Consolidated Statements of Earnings and Comprehensive Income (Parentheticals)

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Consolidated Statements of Earnings and Comprehensive Income (Parentheticals) - USD ($)
$ in Thousands
12 Months Ended
Jun. 30, 2018
Jun. 30, 2017
Jun. 30, 2016
Unrealized (losses) gains on available-for-sale investments, tax $ 398 $ (6,501) $ 3,794