Goodwill And Intangible Assets, Net (Summary Of Movement In Carrying Value Of Goodwill) (Details) - USD ($) $ in Thousands		6 Months Ended
		Dec. 31, 2019	Jun. 30, 2019
Goodwill And Intangible Assets, Net [Abstract]
Gross value, Beginning Balance		$ 184,544
Gross value, Disposal of FIHRST (Note 2)		(599)
Gross value, Foreign currency adjustment		122
Gross value, Ending Balance		184,067
Accumulated impairment, Beginning Balance		(35,157)
Accumulated impairment, Foreign currency adjustment	[1]	28
Accumulated impairment, Ending Balance		(35,129)
Carrying value, Beginning Balance			$ 149,387
Carrying value, Disposal of FIHRST (Note 2)		(599)
Carrying value, Foreign currency adjustment	[1]	150
Carrying value, Ending Balance		$ 148,938	$ 149,387	[2]

[1] The foreign currency adjustment represents the effects of the fluctuations between the South African rand, the Euroand the Korean won, and the U.S. dollar on the carrying value.

[2] Derived from audited financial statements.