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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	$ 0us-gaap_ForeignCurrencyContractsLiabilityFairValueDisclosure		$ 0us-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	$ 205us-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.

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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

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