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Goodwill And Other Intangible Assets (Schedule Of Indefinite Lived Intangible Assets) (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2017 USD ($)
Acquisition [Abstract]
Balance at December 31, 2016	$ 22,541
Intangibles not subject to amortization	18,900
Impact of foreign currency exchange rates	402
Balance at December 31, 2017	$ 41,843

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- References

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- Definition

Amount of assets, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount of foreign currency translation gain (loss) which increases (decreases) an asset, excluding financial assets and goodwill, lacking physical substance and having a projected indefinite period of benefit to fair value.

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Amount of increase in assets, excluding financial assets and goodwill, lacking physical substance with an indefinite life, from an acquisition.

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