Goodwill and Intangibles Assets, net (Components Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	9 Months Ended
	Mar. 31, 2019	Jun. 30, 2018
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years
Total - gross	$ 3,553.0	$ 3,238.0
Total - accumulated amortization	(2,490.1)	(2,351.6)
Intangible assets, net	$ 1,062.9	886.4
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Total - gross	$ 2,459.6	2,292.9
Total - accumulated amortization	$ (1,722.4)	(1,606.6)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	6 years
Total - gross	$ 855.5	708.6
Total - accumulated amortization	$ (551.5)	(533.4)
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Asset, Useful Life	5 years
Total - gross	$ 237.9	236.5
Total - accumulated amortization	$ (216.2)	$ (211.6)