Employee Benefit Plans (Components Of Net Pension Expense) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Compensation and Retirement Disclosure [Abstract]
Additional estimated future contribution in fiscal 2014	$ 8.7
Service cost - benefits earned during the period	67.2	57.2	52.3
Interest cost on projected benefits	55.1	62.1	56.6
Expected return on plan assets	(109.5)	(97.6)	(88.5)
Net amortization and deferral	30.9	15.0	20.1
Net pension expense	$ 43.7	$ 36.7	$ 40.5