Investments (Schedule Of Changes In Equity Investments) (Details) - USD ($) $ in Thousands	3 Months Ended
	Sep. 30, 2022	Sep. 30, 2021
Debt and Equity Investments [Roll Forward]
Balance at the beginning of the period	$ 58,375	$ 69,240
Additions to investments	4,291	6,600
Observable price adjustments on non-marketable equity securities		5,367
Unrealized gains (losses) on marketable equity securities	(3,280)	454
Impairment of investments		(209)
Loss attributable to equity method investments	(2,028)	(1,386)
Carrying value at the end of the period	57,358	80,066
Non-marketable securities
Debt and Equity Investments [Roll Forward]
Balance at the beginning of the period	39,290	23,002
Additions to investments	4,291	3,000
Observable price adjustments on non-marketable equity securities		5,367
Impairment of investments		(209)
Carrying value at the end of the period	43,581	31,160
Marketable securities
Debt and Equity Investments [Roll Forward]
Balance at the beginning of the period	9,167	29,084
Additions to investments		3,600
Unrealized gains (losses) on marketable equity securities	(3,280)	454
Carrying value at the end of the period	5,887	33,138
Equity method investments
Debt and Equity Investments [Roll Forward]
Balance at the beginning of the period	9,918	17,154
Loss attributable to equity method investments	(2,028)	(1,386)
Carrying value at the end of the period	$ 7,890	$ 15,768