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Derivative Financial Instruments (Schedule Of Gains And Losses Related To Derivative Instruments Not Designated) (Details) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2016 | Dec. 31, 2015
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ 2,104 | $ (75)
Interest Rate Swap [Member] | Interest Expense [Member] |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | (238) | (578)
Foreign Exchange Forward [Member] | Other Expense [Member] |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | 3,234 | 503
Other Contract [Member] | Other Expense [Member] |  |
Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net | $ (892) | $ 0

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- Definition Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4C -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624171-113959 + Details
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