Equity-Accounted Investments And Other Long-Term Assets (Summary Financial Information Of Equity-Accounted Investments) (Details) - USD ($) $ in Thousands		1 Months Ended				9 Months Ended		12 Months Ended				16 Months Ended
		Feb. 28, 2018		Feb. 28, 2017		Jun. 30, 2018		Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2016
Statement of operations, for the period ended
Net income (loss)								$ 11,730		$ 2,664
Bank Frick [Member]
Balance sheet, as of
Long-term assets						$ 1,418,160		1,418,160				$ 1,418,160
Long-term liabilities						1,323,470		1,323,470				1,323,470
Redeemable stock
Statement of operations, for the period ended
Revenue	[1]					33,814
Operating income (loss)	[1]					776
Income (loss) from continuing operations	[1]					617
Net income (loss)						617	[1]	(606)
Finbond [Member]
Balance sheet, as of
Long-term assets	[2]	$ 266,149		$ 229,875
Long-term liabilities	[2]	178,587		152,827
Redeemable stock	[2]
Non-controlling interests	[2]	13,896		17,366
Statement of operations, for the period ended
Revenue	[2]	161,915		97,431
Operating income (loss)	[2]	35,225		19,551
Income (loss) from continuing operations	[2]	19,167		9,700
Net income (loss)		19,167	[2]	$ 9,700	[2]			5,327		2,503
Other [Member]
Balance sheet, as of
Current assets	[3],[4],[5]	$ 11,433				11,433		11,433		9,196		11,433		9,196
Long-term assets	[3],[5]					1,343		1,343		813		1,343		813
Current liabilities	[3],[5]					3,295		3,295		443		3,295		443
Long-term liabilities	[3],[5]					3,930		3,930		2,872		3,930		2,872
Redeemable stock	[3],[5]
Statement of operations, for the period ended
Revenue	[6]											10,955		7,168		$ 4,966
Operating income (loss)	[6]											826		276		(21)
Income (loss) from continuing operations	[6]											152		3		(268)
Net income (loss)								$ 4	[7]	$ 161	[7]	$ 152	[6]	$ 3	[6]	$ (268)	[6]

[1] Statement of operations information for Bank Frick is for the period from October 1, 2017 to June 30, 2018.

[2] Finbond is listed on the Johannesburg Stock Exchange and the balances included were derived from its publically available information

[3] Balance sheet information for OneFi, SmartSwitch Namibia and Speckpack is as of June 30, 2018, and Walletdoc as of February 28, 2018.

[4] Bank Frick and Finbond are banks and do not present current and long-term assets and liabilities. All assets and liabilities of these two entities are included under the long-term caption.

[5] Includes OneFi, SmartSwitch Namibia, Speckpack and Walletdoc

[6] Statement of operations information for OneFi and SmartSwitch Namibia for the year ended June 30, 2018, and Walletdoc for the year ended February 28, 2018

[7] Includes OneFi, SmartSwitch Namibia, Speckpack and Walletdoc