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Equity-Accounted Investments And Other Long-Term Assets (Carrying Amount Of Equity-Accounted Investments) (Details) - USD ($)
$ in Thousands
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2019
Jun. 30, 2018
Schedule of Equity Method Investments [Line Items]        
Equity $ 275,980 $ 290,213 $ 317,342 $ 734,926
Loans 67,371 78,486    
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY 428,330 453,678    
Equity-accounted Investees [Member]        
Schedule of Equity Method Investments [Line Items]        
Equity 10,004 65,216 148,279  
Loans 0 620 $ 148  
TOTAL LIABILITIES AND SHAREHOLDERS' EQUITY $ 10,004 $ 65,836