Employee Benefit Plans (Components Of Net Pension Expense) (Details) - USD ($) $ in Millions	3 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Compensation and Retirement Disclosure [Abstract]
Service cost – benefits earned during the period	$ 20.2	$ 17.6
Interest cost on projected benefits	15.1	16.9
Expected return on plan assets	(34.0)	(32.9)
Net amortization and deferral	4.8	2.8
Net pension expense	$ 6.1	$ 4.4