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Employee Benefit Plans (Components Of Net Pension Expense) (Details) (USD $)
In Millions, unless otherwise specified
12 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2012
Compensation and Retirement Disclosure [Abstract]      
Service cost - benefits earned during the period $ 66.4 $ 67.2 $ 57.2
Interest cost on projected benefits 62.6 55.1 62.1
Expected return on plan assets (119.4) (109.5) (97.6)
Net amortization and deferral 20.1 30.9 15.0
Net pension expense $ 29.7 $ 43.7 $ 36.7