Equity-Accounted Investments And Other Long-Term Assets (Schedule Of Calculation Of Gain (Loss) On Disposal) (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
Mar. 31, 2024	Mar. 31, 2023	Sep. 30, 2022	Mar. 31, 2024	Mar. 31, 2023
Long Lived Assets Held For Sale Line Items [Line Items]
Loss on disposal of equity-accounted investments (Note 5)	$ 0	$ (329)		$ 0	$ (193)
Finbond Group Limited [Member]
Long Lived Assets Held For Sale Line Items [Line Items]
Consideration received in cash	0	254		3,508	395
Less: carrying value sold	0	(349)		(2,112)	(509)
Less: release of foreign currency translation reserve from accumulated other comprehensive loss	0	(243)		(1,543)	(342)
Add: release of stock-based compensation charge related to equity-accounted investment	0	9		147	13
Gain (Loss) on sale	$ 0	$ (329)		$ 0	$ (443)
Carbon [Member]
Long Lived Assets Held For Sale Line Items [Line Items]
Consideration received in cash			$ 250
Less: carrying value sold			0
Gain (Loss) on sale			$ 250

Add: release of stock-based compensation charge related to equity-accounted investment

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Amount before tax of income (loss) from a discontinued operation. Includes, but is not limited to, the income (loss) from operations during the phase-out period, gain (loss) on disposal, gain (loss) for reversal of write-down (write-down) to fair value, less cost to sell, and adjustments to a prior period gain (loss) on disposal.

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Amount of consideration received or receivable for the disposal of assets and liabilities, including discontinued operation.

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Amount of gain (loss) on sale or disposal of an equity method investment.

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Amount of the entity's equity method investment which has been sold.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for translation gain (loss) realized upon the sale or liquidation of an investment in a foreign entity and foreign currency hedges that are designated and qualified as hedging instruments for hedges of the foreign currency exposure of a net investment in a foreign operation.

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The cash inflow associated with the amount received from the sale of a portion of the company's business, for example a segment, division, branch or other business, during the period.

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