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Employee Retirement and Profit Sharing Plans - Pension Plans with Accumulated Benefit Obligation in Excess of Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2018
Dec. 31, 2017
Retirement Benefits [Abstract]    
Projected benefit obligation $ 314.1 $ 349.8
Accumulated benefit obligation 311.7 346.0
Fair value of plan assets $ 299.2 $ 344.8