Reinsurance Assets And Policyholder Liabilities Under Insurance And Investment Contracts (Summary Of Movement In Assets And Policyholder Liabilities Under Investment Contracts) (Details) $ in Thousands	9 Months Ended
	Mar. 31, 2019 USD ($)
Reinsurance Assets And Policyholder Liabilities Under Insurance And Investment Contracts [Abstract]
Assets, Beginning Balance	$ 610	[1]
Assets, Increase in policyholder benefits under investment contracts	18	[1]
Assets, Foreign currency adjustment	(32)	[1],[2]
Assets, Ending Balance	596	[1],[2]
Investment contracts, Beginning Balance	(610)	[3]
Investment contracts, Increase in policy holder benefits under investment contracts	(18)	[3]
Investment contracts, Foreign currency adjustment	32	[2],[3]
Investment contracts, Ending Balance	$ (596)	[2],[3]

[1] Included in other long-term assets.

[2] Represents the effects of the fluctuations between the ZAR and the U.S. dollar.

[3] Included in other long-term liabilities.