| Goodwill And Other Intangible Assets (Schedule Of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended | 
|---|---|
| Mar. 31, 2015 | |
| Goodwill And Other Intangible Assets [Abstract] | |
| Beginning Balance | $ 41,983us-gaap_Goodwill | 
| Impact of foreign currency exchange rates | (1,564)us-gaap_GoodwillTranslationAdjustments | 
| Ending Balance | $ 40,419us-gaap_Goodwill | 
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- Definition Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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- Details 
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- Definition Amount of increase (decrease) from foreign currency translation adjustments of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized. Reference 1: http://www.xbrl.org/2003/role/presentationRef 
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