Reinsurance Assets And Policy Holder Liabilities Under Insurance And Investment Contracts (Summary Of Movement In Assets And Policy Holder Liabilities Under Investment Contracts) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2018	Jun. 30, 2017
Reinsurance Assets And Policy Holder Liabilities Under Insurance And Investment Contracts [Abstract]
Assets, Beginning Balance	[1]	$ 627	$ 528
Assets, Increase in policyholder benefits under investment contracts	[1]	13	40
Assets, Claims and policyholders' benefits under insurance contracts	[1]		(11)
Assets, Foreign currency adjustment	[1],[2]	(30)	70
Assets, Ending Balance	[1]	610	627
Investment contracts, Beginning Balance	[3]	(627)	(528)
Investment contracts, Increase in policy holder benefits under investment contracts	[3]	13	40
Investment contracts, Claims and policyholders' benefits under insurance contracts	[3]		11
Investment contracts, Foreign currency adjustment	[2],[3]	30	(70)
Investment contracts, Ending Balance	[3]	$ (610)	$ (627)

[1] Included in other long-term assets; (refer to Note 9)

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

[3] Included in other long-term liabilities