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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, 2022
Dec. 31, 2021
Dec. 31, 2020
Defined Benefit Plan Disclosure [Line Items]      
Mark-to-market (gain) loss $ (9,600) $ (3,800) $ 3,200
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 $ 1,390 1,328 1,322
Interest cost 3,242 2,962 3,949
Expected return on assets (3,960) (4,213) (4,730)
Mark-to-market (gain) loss (181) (2,428) 613
Net Cost 491 (2,351) 1,154
Foreign      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1,220 1,349 1,183
Interest cost 227 111 174
Expected return on assets (640) (545) (401)
Mark-to-market (gain) loss (7,801) (1,327) 2,596
Net Cost $ (6,994) $ (412) $ 3,552