Assets And Policyholder Liabilities Under Insurance And Investment Contracts (Summary Of The Movement In Reinsurance Assets And) (Details) $ in Thousands	6 Months Ended
	Dec. 31, 2019 USD ($)
Assets And Policy Holder Liabilities Under Insurance And Investment Contracts [Abstract]
Reinsurance assets, Beginning Balance	$ 1,163	[1]
Reinsurance assets, Increase in policyholder benefits under insurance contracts	220	[1]
Reinsurance assets, Claims and policyholders' benefits under insurance contracts	(227)	[1]
Reinsurance assets, Foreign currency adjustment	3	[1],[2]
Reinsurance assets, Ending Balance	1,159	[1]
Insurance contracts, Beginning Balance	(1,880)	[3]
Insurance contracts, Increase in policyholder benefits under insurance contracts	(3,232)	[3]
Insurance contracts, Claims and policyholders' benefits under insurance contracts	3,201	[3]
Insurance contracts, Foreign currency adjustment	(5)	[2],[3]
Insurance contracts, Ending Balance	$ (1,916)	[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.