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Investments (Schedule Of Reconciliation Of Changes In Investments) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2020 | Sep. 30, 2019
Equity Method Investments |  |
Balance at the beginning of the period | $ 14,109 |
Loss attributable to equity method investments | 2,288 | $ 6,863
Carrying value of equity method investments | 18,071 |
Equity Method Investments [Member] |  |
Equity Method Investments |  |
Balance at the beginning of the period | 14,109 | 21,667
Investments | 6,250 |
Loss attributable to equity method investments | (2,288) | (6,863)
Carrying value of equity method investments | $ 18,071 | $ 14,804

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