Amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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Name:	us-gaap_GoodwillImpairmentLoss
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

Goodwill And Intangible Assets, Net (Narrative) (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2019	Dec. 31, 2018
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill		$ 8.2		$ 8.2
Amortization expense	$ 1.9	6.1	$ 3.8	12.2
International Transaction Processing [Member]
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill		7.0		7.0
South African Transaction Processing [Member]
Goodwill and Intangible Assets [Line Items]
Impairment of goodwill		$ 1.2		$ 1.2