Other Operating Expenses/(Income) (Schedule Of Other Operating Expenses/(Income)) (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Total other operating expenses/(income)	$ 6,353	$ (51)
Litigation Settlement [Member]
Total other operating expenses/(income)	6,000
Loss/(Income) On Disposal Of Fixed Assets [Member]
Total other operating expenses/(income)	$ 353	$ (51)