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Retirement and Deferred Compensation Plans - Schedule of Plans with Accumulated Benefit Obligations in Excess of Fair Value of Plan Assets (Details) - USD ($)
$ in Millions
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]    
Plan assets $ 16.6  
Pension Plan [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Accumulated benefit obligation 181.8 $ 491.5
Plan assets $ 99.4 $ 368.8