Accumulated Other Comprehensive Loss (Changes In Accumulated Other Comprehensive (Loss) Income) (Details) - USD ($) $ in Thousands		3 Months Ended
		Sep. 30, 2015	Sep. 30, 2014
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance	[1]	$ (139,181)
Movement in foreign currency translation reserve		(43,414)
Unrealized gain on asset available for sale, net of tax of $11		50	$ (226)
Ending Balance		(182,545)
Reclassification from accumulated other comprehensive (loss) income		0	$ 0
Other comprehensive income (loss), available-for-sale securities, tax		11
Foreign Currency Translation Reserve [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		(140,221)
Movement in foreign currency translation reserve		(43,414)
Ending Balance		(183,635)
Net Unrealized Income (Loss) On Asset Available For Sale, Net Of Tax [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Beginning Balance		1,040
Unrealized gain on asset available for sale, net of tax of $11		50
Ending Balance		$ 1,090

[1] Derived from audited financial statements