Pension And Other Liabilities (Schedule Of Reconciliation Of The Lease Make-Good Provision) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Pension And Other Liabilities [Abstract]
Opening balance	$ 4,385
Liabilities incurred during the year	1,314	$ 4,385
Liabilities settled during the year	(381)
Accretion expense	212
Effect of changes in foreign currency	(302)
Ending balance	$ 5,228	$ 4,385