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Employee Benefit Plans (Pension Plans With Accumulated Benefit Obligations In Excess Of Plan Assets) (Details) (USD $)
In Millions
Jun. 30, 2011
Jun. 30, 2010
Employee Benefit Plans    
Projected benefit obligation $ 150.7 $ 1,054.4
Accumulated benefit obligation 143.2 1,048.3
Fair value of plan assets $ 55.6 $ 951.0