Commitments And Contingencies (Government Tax Audits) (Details) - USD ($) $ in Thousands		Dec. 31, 2015	Dec. 31, 2014
Income Tax Uncertainties [Abstract]
Goodwill	[1]	$ 1,973	$ 2,044

[1] Changes in core technology, goodwill, and indefinite lived intangible assets relate entirely to the impact of foreign currency translation.