Investments (Schedule Of Reconciliation Of Changes In Investments) (Details) - USD ($) $ in Thousands	3 Months Ended
	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