Equity-Accounted Investments And Other Long-Term Assets (Narrative) (Details) R / shares in Units, R in Millions			3 Months Ended				9 Months Ended
	Aug. 10, 2023 USD ($)	Aug. 10, 2023 ZAR (R) R / shares	Mar. 31, 2025 USD ($) shares	Mar. 31, 2024 USD ($)	Sep. 30, 2023 USD ($)	Sep. 30, 2022 USD ($)	Mar. 31, 2025 USD ($) shares	Mar. 31, 2024 USD ($) shares	Jun. 30, 2024 USD ($)	Jun. 30, 2022 USD ($)
Equity Method Investment Realized Gain Loss On Disposal			$ 0	$ 0			$ (161,000)	$ 0
Finbond [Member]
Number of shares sold | shares								7,379,656
Cash consideration received on transaction	$ 3,500,000	R 64.2
Impairment loss on equity method investment					$ 1,200,000
Sale price per share | R / shares		R 0.2911
Equity Method Investment Realized Gain Loss On Disposal								$ 0
Carbon [Member]
Investment amount owned										$ 0
Cash consideration received on transaction						$ 500,000
Percentage of retained equity ownership interest disposed						25.00%
Amount received at closing from interest sold							250,000
Sale of interest, amount owned in twelve months					$ 250,000
Sale of interest, remaining amount							$ 750,000
Carbon [Member] | Loan [Member]
Notes payable amount						$ 750,000
Debt, face value						$ 3,000,000.0
Mobikwik [Member]
Equity-accounted investments, ownership percentage			8.00%				8.00%		10.00%
Investment amount owned			$ 22,100,000				$ 22,100,000		$ 76,300,000
Investment shares owned | shares			6,215,620				6,215,620
Impairment loss on equity method investment			$ 20,400,000				$ 54,200,000