Reinsurance Assets And Policy Holder Liabilities Under Insurance And Investment Contracts (Summary Of Movement In Assets And Policy Holder Liabilities Under Investment Contracts) (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2016 USD ($)
Reinsurance Assets And Policy Holder Liabilities Under Insurance And Investment Contracts [Abstract]
Assets, Beginning Balance	$ 528	[1]
Assets, Foreign currency adjustment	35	[1],[2]
Assets, Ending Balance	563	[1]
Investment contracts, Beginning Balance	(528)	[3]
Investment contracts, Foreign currency adjustment	(35)	[2],[3]
Investment contracts, Ending Balance	$ (563)	[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.