Goodwill and Intangibles Assets, net (Components Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Mar. 31, 2017	Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Total - gross	$ 2,749.7	$ 2,623.1
Total - accumulated amortization	(2,154.9)	(2,088.9)
Intangible assets, net	594.8	534.2
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Total - gross	1,912.2	1,811.6
Total - accumulated amortization	(1,453.1)	(1,403.8)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Total - gross	607.4	603.7
Total - accumulated amortization	(496.3)	(486.4)
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total - gross	230.1	207.8
Total - accumulated amortization	$ (205.5)	$ (198.7)