Employee Benefit Plans (Components Of Net Pension Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2014
Compensation and Retirement Disclosure [Abstract]
Service cost - benefits earned during the period	$ 70.4	$ 68.4	$ 66.4
Interest cost on projected benefits	67.4	62.8	62.6
Expected return on plan assets	(131.2)	(129.7)	(119.4)
Net amortization and deferral	11.0	17.2	20.1
Defined Benefit Plan, Curtailments	0.1	3.2	0.0
Net pension expense	$ 17.7	$ 21.9	$ 29.7