Reinsurance Assets And Policy Holder Liabilities Under Insurance And Investment Contracts (Summary Of The Movement In Reinsurance Assets And Policy Holder Liabilities Under Insurance Contracts) (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2016 USD ($)
Reinsurance Assets And Policy Holder Liabilities Under Insurance And Investment Contracts [Abstract]
Reinsurance assets, Beginning Balance	$ 171	[1]
Reinsurance assets, Increase in policy holder benefits under insurance contracts	231	[1]
Reinsurance assets, Claims and policyholders' benefits under insurance contracts	(229)	[1]
Reinsurance assets, Foreign currency adjustment	12	[1],[2]
Reinsurance assets, Ending Balance	185	[1]
Insurance contracts, Beginning Balance	(1,078)	[3]
Insurance contracts, Increase in policy holder benefits under insurance contracts	(754)	[3]
Policyholder Benefits and Claims Incurred, Net	682	[3]
Insurance contracts, Foreign currency adjustment	(71)	[2],[3]
Insurance contracts, Ending Balance	$ (1,221)	[3]

[1] Included in other long-term assets.

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

[3] Included in other long-term liabilities.