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Retirement Plans And Postretirement Benefits (Components Of Consolidated Net Pension Costs Retirement Plans) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Defined Benefit Plan Disclosure [Line Items]      
Mark-to-market (gain) loss $ 3,000 $ (9,600) $ (3,800)
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Excluding Service Cost, Statement of Income or Comprehensive Income [Extensible Enumeration] Nonoperating Income (Expense)    
United States      
Defined Benefit Plan Disclosure [Line Items]      
Service cost $ 1,483 1,390 1,328
Interest cost 4,722 3,242 2,962
Expected return on assets (4,353) (3,960) (4,213)
Mark-to-market (gain) loss (2,513) (181) (2,428)
Net Cost (661) 491 (2,351)
Foreign      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1,053 1,220 1,349
Interest cost 870 227 111
Expected return on assets (1,145) (640) (545)
Mark-to-market (gain) loss 4,395 (7,801) (1,327)
Net Cost $ 5,173 $ (6,994) $ (412)