Derivative Financial Instruments (Schedule Of Derivative Instruments Fair Value And Balance Sheet Classification) (Details) - Forward exchange contracts [Member] - USD ($) $ in Thousands |
Mar. 31, 2017 |
Dec. 31, 2016 |
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| Prepaid And Other Current Assets [Member] | ||
| Derivative instruments in asset positions, Forward exchange contracts | $ 926 | $ 1,165 |
| Other Long-Term Assets [Member] | ||
| Derivative instruments in asset positions, Forward exchange contracts | $ 116 |
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- Definition Fair value of all asset derivatives designated as cash flow hedging instruments. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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