Employee Benefit Plans (Components Of Net Pension Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		9 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Mar. 31, 2014	Mar. 31, 2013
Compensation and Retirement Disclosure [Abstract]
Service cost - benefits earned during the period	$ 16.6	$ 16.8	$ 49.8	$ 50.4
Interest cost on projected benefits	15.6	13.8	46.9	41.3
Expected return on plan assets	(29.8)	(27.4)	(89.5)	(82.2)
Net amortization and deferral	5.0	7.7	15.0	23.2
Net pension expense	$ 7.4	$ 10.9	$ 22.2	$ 32.7