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Employee Retirement And Profit Sharing Plans (Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets) (Details) (USD $)
In Millions, unless otherwise specified
Dec. 31, 2011
Dec. 31, 2010
Employee Retirement And Profit Sharing Plans [Abstract]    
Projected benefit obligation $ 323.0 $ 299.6
Accumulated benefit obligation 313.1 290.2
Fair value of plan assets $ 227.0 $ 226.3