Accumulated Other Comprehensive Loss (Change In Accumulated Other Comprehensive (Loss) Income Per Component) (Details) $ in Thousands	3 Months Ended
	Sep. 30, 2016 USD ($)
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	$ (189,700)	[1]
Movement in foreign currency translation reserve	21,858
Ending Balance	(167,842)
Accumulated Foreign Currency Translation Reserve [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	(189,700)
Movement in foreign currency translation reserve	21,858
Ending Balance	(167,842)
Accumulated Net Unrealized Income (Loss) On Asset Available For Sale, Net Of Tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance
Movement in foreign currency translation reserve
Ending Balance

[1] Derived from audited financial statements