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Equity-Accounted Investments And Other Long-Term Assets (Summary Of Unrealized Gain (Loss) On Investments) (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Sep. 30, 2019	Jun. 30, 2019
Schedule Of Equity And Held To Maturity Investments [Line Items]
Cost basis	$ 26,993	$ 26,993
Carrying value	26,993	26,993
MobiKwik [Member]
Schedule Of Equity And Held To Maturity Investments [Line Items]
Cost basis	26,993	26,993
Carrying value	$ 26,993	$ 26,993

X

- Definition

Schedule Of Equity And Held To Maturity Investments [Line Items]

+ References

No definition available.

+ Details

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X

- Definition

The sum of the realized and unrealized net gain (loss) on trading securities during the period.

+ References

No definition available.

+ Details

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X

- Definition

Cost of investments in equity securities and other forms of securities that provide ownership interests classified as trading.

+ References

No definition available.

+ Details

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- Details

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