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Retirement Plans And Postretirement Benefits (Pension Plans With An Accumulated Benefit Obligation In Excess Of Plan Assets) (Details) - USD ($)
$ in Thousands
Dec. 31, 2022
Dec. 31, 2021
United States    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets    
Accumulated benefit obligation $ 99,993 $ 129,906
Fair value of plan assets 80,006 109,961
Foreign    
Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets    
Accumulated benefit obligation 1,884 35,247
Fair value of plan assets $ 0 $ 26,003