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Employee Benefit Plans (Accum and Projected Obligation) (Details) - Pension Plans, Defined Benefit - USD ($)
$ in Millions
Dec. 31, 2019
Dec. 31, 2018
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Accumulated Benefit Obligation $ 40.2 $ 35.6
Accumulated Benefit Obligation 40.2 35.6
Accumulated Benefit Obligation Fair Value 32.5 31.3
Projected Benefit Obligation 40.2 35.6
Projected Benefit Obligation Fair Value $ 32.5 $ 31.3