Assets And Policyholder Liabilities Under Insurance And Investment Contracts (Summary Of Movement In Assets And Policyholder Liabilities Under Investment Contracts) (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2019 USD ($)
Assets And Policy Holder Liabilities Under Insurance And Investment Contracts [Abstract]
Assets, Beginning Balance	$ 619	[1]
Assets, Increase in policyholder benefits under investment contracts	2	[1]
Assets, Claims and policyholders' benefits under investment contracts	(36)
Assets, Foreign currency adjustment	2	[1],[2]
Assets, Ending Balance	587	[1]
Investment contracts, Beginning Balance	(619)	[3]
Investment contracts, Increase in policy holder benefits under investment contracts	(2)	[3]
Investment contracts, Claims and policyholders' benefits under investment contracts	36
Investment contracts, Foreign currency adjustment	(2)	[2],[3]
Investment contracts, Ending Balance	$ (587)	[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.