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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, 2021
Dec. 31, 2020
Dec. 31, 2019
Defined Benefit Plan Disclosure [Line Items]      
Mark-to-market (gain) loss $ (3,800) $ 3,200 $ 3,500
United States      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1,328 1,322 1,297
Interest cost 2,962 3,949 5,070
Expected return on assets (4,213) (4,730) (5,026)
Mark-to-market (gain) loss (2,428) 613 205
Net Cost (2,351) 1,154 1,546
Foreign [Member]      
Defined Benefit Plan Disclosure [Line Items]      
Service cost 1,349 1,183 624
Interest cost 111 174 275
Expected return on assets (545) (401) (424)
Mark-to-market (gain) loss (1,327) 2,596 3,302
Net Cost $ (412) $ 3,552 $ 3,777