Employee Benefit Plans (Components Of Net Pension Expense) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		6 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012
Compensation and Retirement Disclosure [Abstract]
Service cost - benefits earned during the period	$ 16.6	$ 16.8	$ 33.2	$ 33.6
Interest cost on projected benefits	15.7	13.8	31.3	27.5
Expected return on plan assets	(29.9)	(27.4)	(59.7)	(54.8)
Net amortization and deferral	5.0	7.7	10.0	15.5
Net pension expense	$ 7.4	$ 10.9	$ 14.8	$ 21.8