Stockholders' Equity (Schedule Of Accumulated Other Comprehensive Loss) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract]
Foreign currency translation adjustments, net of tax	$ 9,293	$ 2,922
Commodities and foreign currency derivatives, net of tax	(1,932)	2,878
Total accumulated comprehensive (loss) income	$ (7,361)	$ (5,800)

Accumulated adjustment, net of tax, that results from the process of translating subsidiary financial statements and foreign equity investments into the reporting currency from the functional currency of the reporting entity, net of reclassification of realized foreign currency translation gains or losses.

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