Employee Benefit Plans (Components Of Net Pension Expense) (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Mar. 31, 2016	Mar. 31, 2015
Compensation and Retirement Disclosure [Abstract]
Service cost – benefits earned during the period	$ 17.6	$ 16.4	$ 52.8	$ 52.0
Interest cost on projected benefits	16.8	15.6	50.6	47.2
Expected return on plan assets	(32.8)	(32.4)	(98.5)	(97.3)
Net amortization and deferral	2.8	4.3	8.3	12.9
Curtailments and special termination benefits	0.0	0.0	0.0	3.2
Net pension expense	$ 4.4	$ 3.9	$ 13.2	$ 18.0