Equity-Accounted Investments And Other Long-Term Assets (Summary Of Movement In Equity-Accounted Investments) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Schedule of Equity Method Investments [Line Items]
Balance	$ 179,478	$ 234,920	$ 275,980
Net (loss) income	(17,440)	(35,074)	(43,876)
Balance	175,857	179,478	234,920
Balance at beginning of period	283,327
Loans granted	0	112	0
Balance at end of period	303,164	283,327
Equity-accounted Investees [Member]
Schedule of Equity Method Investments [Line Items]
Impairment	(1,167)	(1,110)
Finbond [Member] | Equity-accounted Investees [Member]
Schedule of Equity Method Investments [Line Items]
Impairment	(1,167)	(1,110)
Other [Member] | Equity-accounted Investees [Member]
Schedule of Equity Method Investments [Line Items]
Impairment	0	0
Equity-accounted Investees [Member]
Schedule of Equity Method Investments [Line Items]
Balance	3,171	5,861
Stock-based compensation	14	28
Comprehensive (loss) income	(790)	(1,182)
Other comprehensive income	489	3,935
Net (loss) income	(1,279)	(5,117)
Share of net income (loss) (Note 1)	(112)	(4,007)
Dividends received	(95)	(42)
Sale of shares in equity-accounted investment	(2,096)	(506)
Foreign currency adjustment	2	(988)
Balance	206	3,171	5,861
Balance at beginning of period	0	0
Loans repaid		(112)
Loans granted		112
Balance at end of period	0	0	0
Equity-accounted Investees [Member] | Finbond [Member]
Schedule of Equity Method Investments [Line Items]
Balance	3,040	5,760
Stock-based compensation	14	28
Comprehensive (loss) income	(956)	(1,271)
Other comprehensive income	489	3,935
Net (loss) income	(1,445)	(5,206)
Share of net income (loss) (Note 1)	(278)	(4,096)
Dividends received	0	0
Sale of shares in equity-accounted investment	(2,096)	(506)
Foreign currency adjustment	(2)	(971)
Balance	0	3,040	5,760
Balance at beginning of period	0	0
Loans repaid		0
Loans granted		0
Balance at end of period	0	0	0
Equity-accounted Investees [Member] | Other [Member]
Schedule of Equity Method Investments [Line Items]
Balance	131	101
Stock-based compensation	0	0
Comprehensive (loss) income	166	89
Other comprehensive income	0	0
Net (loss) income	166	89
Share of net income (loss) (Note 1)	166	89
Dividends received	(95)	(42)
Sale of shares in equity-accounted investment	0	0
Foreign currency adjustment	4	(17)
Balance	206	131	101
Balance at beginning of period	0	0
Loans repaid		(112)
Loans granted		112
Balance at end of period	$ 0	$ 0	$ 0