Equity-Accounted Investments And Other Long-Term Assets (Carrying Amount Of Equity-Accounted Investments) (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021	Jun. 30, 2021	Mar. 31, 2021	Dec. 31, 2020	Jun. 30, 2020
Schedule of Equity Method Investments [Line Items]
As reported, beginning of period	$ 252,980	$ 240,267	$ 275,980	$ 274,405	$ 285,261	$ 290,213
Loans	95,706		67,371
TOTAL LIABILITIES, REDEEMABLE COMMON STOCK AND SHAREHOLDERS' EQUITY	433,665		428,330
Nonconsolidated Investee or Group of Investees [Member]
Schedule of Equity Method Investments [Line Items]
As reported, beginning of period	7,275		10,004
Loans	0		0
TOTAL LIABILITIES, REDEEMABLE COMMON STOCK AND SHAREHOLDERS' EQUITY	$ 7,275		$ 10,004