Income Tax (Provision For Income Taxes By Location Of Taxing Jurisdiction) (Details) - USD ($) $ in Thousands	12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2022
Income Tax [Line Items]
Current tax expense	$ 5,766	$ 6,317	$ 2,309
Deferred tax expense (benefit)	(2,712)	(7,442)	(2,044)
Foreign tax credits generated-United States	309	115	62
Change in tax rate - South Africa	0	(1,299)	0
Income tax expense (benefit)	3,363	(2,309)	327
South Africa [Member]
Income Tax [Line Items]
Current tax expense	5,634	6,317	2,309
Deferred tax expense (benefit)	(2,716)	(7,490)	(2,154)
Income tax expense (benefit)		(1,300)
Other Income Tax Segment [Member]
Income Tax [Line Items]
Current tax expense	132	0	0
Deferred tax expense (benefit)	$ 4	$ 48	$ 110