Goodwill And Intangible Assets, Net (Narrative) (Details) - USD ($)	3 Months Ended			12 Months Ended
	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2018	Jun. 30, 2020	Jun. 30, 2019	Jun. 30, 2018
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill		$ 8,200,000		$ 5,589,000	$ 14,440,000	$ 20,917,000
Impairment loss of indefinite-lived intangible assets				0	0	0
Amortization expense				3,800,000	7,100,000	3,700,000
Maltese e-money License [Member]
Goodwill and Intangible Assets [Line Items]
Impairment loss of indefinite-lived intangible assets	$ 7,000,000
International Transaction Processing [Member]
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill		7,000,000	$ 19,900,000		7,000,000	19,900,000
South African Transaction Processing [Member]
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill	$ 5,600,000	$ 1,200,000		$ 5,600,000	1,200,000	$ 1,100,000
Financial Inclusion And Applied Technology [Member]
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill					$ 6,200,000