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Equity-Accounted Investments And Other Long-Term Assets (Carrying Amount Of Equity-Accounted Investments) (Details) - USD ($)
$ in Thousands
Dec. 31, 2018
Jun. 30, 2018
Equity-Accounted Investments And Other Long-Term Assets [Abstract]    
Equity $ 90,417 $ 85,179
Loans 3,144 3,152
Total $ 93,561 $ 88,331