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Hedging Activities And Financial Instruments (Narrative) (Details) (USD $) In Thousands, unless otherwise specified | 3 Months Ended |
--- | --- | ---
Mar. 31, 2015 | Mar. 31, 2014 | Dec. 31, 2014
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Foreign currency derivative contracts | $ 0 us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure |  | $ 0 us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure
Foreign currency gain (loss) | (20,832)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (13)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax |
Interest Expense [Member] |  |  |
Derivative Instruments, Gain (Loss) [Line Items] |  |  |
Foreign currency gain (loss) | $ (2,194)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember | $ 205 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax / us-gaap_IncomeStatementLocationAxis = us-gaap_InterestExpenseMember |

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- Definition Fair value portion of liability contracts related to the exchange of different currencies, including, but not limited to, foreign currency options, forward (delivery or nondelivery) contracts, and swaps entered into. + References No definition available. + Details
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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