Fair Value Of Financial Instruments (Carrying Value Of Assets And Liabilities Measured On Recurring Basis) (Details) - USD ($) $ in Thousands		3 Months Ended			9 Months Ended
		Mar. 31, 2020	Mar. 31, 2019		Mar. 31, 2020	Mar. 31, 2019
Liabilities
Foreign currency adjustment		$ 987	$ (90)	[1]	$ 753	$ (91)	[1]
Recurring [Member]
Assets
Beginning balance, Carrying value					5,820
Ending balance, Carrying value		3,800			3,800
Significant Unobservable Inputs (Level 3) [Member] | Recurring [Member]
Assets
Beginning balance, Carrying value					0	172,948
Loss on fair value re-measurements						(42,099)
Foreign currency adjustment	[2]				0	(8,908)
Ending balance, Carrying value		$ 0	121,941		$ 0	121,941
Liabilities
Beginning balance, Carrying value						27,222
Accretion of interest						1,848
Settlement of contingent consideration						(27,626)
Foreign currency adjustment	[2]					(1,444)
Ending balance, Carrying value			$ 0			$ 0

[1] Refer to Note 1

[2] The foreign currency adjustment represents the effects of the fluctuations of the South African rand and the U.S. dollar on the carrying value.