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Investments (Schedule Of Reconciliation Of Changes In Equity Investments) (Details) - USD ($)
$ in Thousands
3 Months Ended 6 Months Ended
Dec. 31, 2018
Dec. 31, 2018
Dec. 31, 2017
Investments [Abstract]      
Balance at the beginning of the period   $ 41,226 $ 38,324
Investments   27,967 3,725
Impairment of equity investments   (2,959) (2,254)
Loss attributable to equity method investments $ (3,375) (3,375)
Balance at the end of the period $ 62,859 $ 62,859 $ 39,795