Retirement Plans And Postretirement Benefits (Components Of Net Postretirement Costs) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Foreign
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 1,053	$ 1,220	$ 1,349
Interest cost	870	227	111
Net Cost	5,173	(6,994)	(412)
Postemployment Retirement Benefit
Defined Benefit Plan Disclosure [Line Items]
Net Cost	$ 2,000	$ 900	$ 500