Pension And Other Liabilities (Schedule Of Reconciliation Of The Lease Make-Good Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Pension And Other Liabilities [Abstract]
Lease make-good provision, Beginning balance	$ 6,131	$ 7,766
Liabilities incurred during the year	45
Liabilities settled during the year	(408)	(67)
Liabilities remeasured during the year	(24)	(1,567)
Accretion expense	292	293
Effect of changes in foreign currency	14	(294)
Lease make-good provision, Ending balance	$ 6,050	$ 6,131