Goodwill and Intangibles Assets, net (Components Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2017	Jun. 30, 2017
Finite-Lived Intangible Assets [Line Items]
Total - gross	$ 3,124.9	$ 2,817.5
Total - accumulated amortization	(2,292.2)	(2,197.3)
Intangible assets, net	832.7	620.2
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Total - gross	2,187.6	1,975.2
Total - accumulated amortization	(1,559.9)	(1,483.7)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Total - gross	703.2	614.1
Total - accumulated amortization	(522.1)	(506.0)
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total - gross	234.1	228.2
Total - accumulated amortization	$ (210.2)	$ (207.6)