Equity-Accounted Investments And Other Long-Term Assets (Summary Of Other Long-Term Asset) (Details) - USD ($) $ in Thousands		Jun. 30, 2018	Jun. 30, 2017
Schedule Of Equity And Held To Maturity Investments [Line Items]
Total equity investments		$ 199,865	$ 26,317
Total held to maturity investments		10,395
Long-term portion of payments to agents in South Korea amortized over the contract period		17,582	17,290
Long-term portion of other finance loans receivable (Note5)		12,283
Contingent purchase consideration (Note 3)		9,064
Policy holder assets under investment contracts (Note 11)		610	627
Reinsurance assets under insurance contracts (Note 11)		633	191
Other long-term assets	[1]	5,948	5,271
Total other long-term assets		256,380	49,696	[2]
Cell C [Member]
Schedule Of Equity And Held To Maturity Investments [Line Items]
Total equity investments	[1]	172,948
MobiKwik [Member]
Schedule Of Equity And Held To Maturity Investments [Line Items]
Total equity investments	[1]	26,917	$ 26,317
Cedar Cellular [Member]
Schedule Of Equity And Held To Maturity Investments [Line Items]
Total equity investments		$ 10,395
Equity-accounted investments, ownership percentage		7.625%
Interest rate		8.625%

[1] The investment in MobiKwik and other investments in common stock included within other long-term assets are carried at cost and are reviewed quarterly for indicators of other-than-temporary impairment. It is not practicable for the Company to reliably estimate the fair value of these investments.

[2] Refer to Note 1.