Goodwill and Intangibles Assets, net (Components Of Finite-Lived Intangible Assets) (Details) - USD ($) $ in Millions	Dec. 31, 2016	Jun. 30, 2016
Finite-Lived Intangible Assets [Line Items]
Total - gross	$ 2,703.2	$ 2,623.1
Total - accumulated amortization	(2,150.8)	(2,088.9)
Intangible assets, net	552.4	534.2
Software and software licenses
Finite-Lived Intangible Assets [Line Items]
Total - gross	1,895.7	1,811.6
Total - accumulated amortization	(1,458.2)	(1,403.8)
Customer contracts and lists
Finite-Lived Intangible Assets [Line Items]
Total - gross	599.4	603.7
Total - accumulated amortization	(490.1)	(486.4)
Other intangibles
Finite-Lived Intangible Assets [Line Items]
Total - gross	208.1	207.8
Total - accumulated amortization	$ (202.5)	$ (198.7)