Goodwill And Intangible Assets, Net (Goodwill Allocated To Reportable Segments) (Details) - USD ($) $ in Thousands		12 Months Ended
		Jun. 30, 2018		Jun. 30, 2017		Jun. 30, 2016
Goodwill [Line Items]
Carrying value, Beginning Balance		$ 188,833	[1]	$ 179,478		$ 166,437
Carrying value, Impairment loss		(20,917)
Carrying value, Foreign currency adjustment	[2]	1,163		6,880		(10,067)
Carrying value, Ending Balance		283,240		188,833	[1]	179,478
Transact24 [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)						6,024
Masterpayment [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)						17,084
Malta FS [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)				2,475
DNI [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)		114,161
South African Transaction Processing [Member]
Goodwill [Line Items]
Carrying value, Beginning Balance		23,131		20,425		24,579
Carrying value, Impairment loss		(1,052)
Carrying value, Foreign currency adjustment	[2]	(1,133)		2,706		(4,154)
Carrying value, Ending Balance		20,946		23,131		20,425
South African Transaction Processing [Member] | Transact24 [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
South African Transaction Processing [Member] | Masterpayment [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
South African Transaction Processing [Member] | Malta FS [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
South African Transaction Processing [Member] | DNI [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
International Transaction Processing [Member]
Goodwill [Line Items]
Carrying value, Beginning Balance		140,570		136,185		115,519
Carrying value, Impairment loss		(19,865)
Carrying value, Foreign currency adjustment	[2]	3,243		1,910		(2,442)
Carrying value, Ending Balance		123,948		140,570		136,185
International Transaction Processing [Member] | Transact24 [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)						6,024
International Transaction Processing [Member] | Masterpayment [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)						17,084
International Transaction Processing [Member] | Malta FS [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)				2,475
International Transaction Processing [Member] | DNI [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
Financial Inclusion And Applied Technologies [Member]
Goodwill [Line Items]
Carrying value, Beginning Balance		25,132		22,868		26,339
Carrying value, Impairment loss
Carrying value, Foreign currency adjustment	[2]	(947)		2,264		(3,471)
Carrying value, Ending Balance		138,346		25,132		22,868
Financial Inclusion And Applied Technologies [Member] | Transact24 [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
Financial Inclusion And Applied Technologies [Member] | Masterpayment [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
Financial Inclusion And Applied Technologies [Member] | Malta FS [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)
Financial Inclusion And Applied Technologies [Member] | DNI [Member]
Goodwill [Line Items]
Carrying value, Acquisition (Note 3)		$ 114,161

[1] Refer to Note 1.

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