Property And Equipment (Schedule Of Property And Equipment) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015
Property, Plant and Equipment [Abstract]
Computer software	$ 424.9	$ 377.8
Computer and office equipment	122.3	110.9
Leasehold improvements	113.5	100.4
Medical equipment	15.2	16.5
Furniture and fixtures	30.7	30.2
Office equipment & other assets	17.2	16.3
Total	723.8	652.1
Less: accumulated depreciation	(464.5)	(410.9)
Total	259.3	241.2
Retired fully- depreciated assets	$ 4.0	$ 6.5