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Employee Stock Purchase Plan (Schedule Of Employee Stock Purchase Plan) (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
12 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Employee Stock Purchase Plan [Abstract]    
Non-cash stock-based compensation expense $ 10 $ 10
Common shares purchased 1 5
Average purchase price per share $ 8.26 $ 5.95