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BENEFIT PLANS (Schedule of Pension Plans for ABO or PBO That Exceed the Fair Value Of Plan Assets) (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Pension plans with ABO in excess of plan assets    
Accumulated benefit obligation $ 249.2 $ 1,058.6
Fair value of assets 176.6 944.3
Pension plans with PBO in excess of plan assets    
Projected benefit obligation 249.7 1,059.5
Fair value of assets $ 176.6 $ 944.3