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Investments (Schedule Of Changes In Equity Investments) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Sep. 30, 2021 | Sep. 30, 2020
Balance at the beginning of the period | $ 69,240 | $ 44,142
Investments | 6,600 | 8,196
Observable price adjustments on non-marketable equity securities | 5,367 |
Ongoing mark-to-market adjustments on marketable equity securities | 454 | 8,476
Reclassifications |  |
Impairment of investments | (209) |
Loss attributable to equity method investments | (1,386) | (2,288)
Carrying value at the end of the period | 80,066 | 58,526
Non-marketable Securities [Member] |  |
Balance at the beginning of the period | 23,002 | 30,033
Investments | 3,000 | 1,946
Observable price adjustments on non-marketable equity securities | 5,367 |
Ongoing mark-to-market adjustments on marketable equity securities |  |
Reclassifications |  | (10,569)
Impairment of investments | (209) |
Loss attributable to equity method investments |  |
Carrying value at the end of the period | 31,160 | 21,410
Marketable Securities [Member] |  |
Balance at the beginning of the period | 29,084 |
Investments | 3,600 |
Observable price adjustments on non-marketable equity securities |  |
Ongoing mark-to-market adjustments on marketable equity securities | 454 | 8,476
Reclassifications |  | 10,569
Impairment of investments |  |
Loss attributable to equity method investments |  |
Carrying value at the end of the period | 33,138 | 19,045
Equity Method Investments [Member] |  |
Balance at the beginning of the period | 17,154 | 14,109
Investments |  | 6,250
Observable price adjustments on non-marketable equity securities |  |
Ongoing mark-to-market adjustments on marketable equity securities |  |
Reclassifications |  |
Impairment of investments |  |
Loss attributable to equity method investments | (1,386) | (2,288)
Carrying value at the end of the period | $ 15,768 | $ 18,071

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