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Derivative Instruments (Schedule Of Derivative Instruments, Fair Value) (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Derivatives, Fair Value [Line Items]
Assets (Liabilities) Derivative, Fair Value	$ 5,069	$ (584)
Derivatives Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Assets (Liabilities) Derivative, Fair Value	5,069	7,422
Derivatives Designated As Hedging Instruments [Member] | Forward Contracts [Member] | Other Receivables [Member]
Derivatives, Fair Value [Line Items]
Assets (Liabilities) Derivative, Fair Value	454	857
Derivatives Designated As Hedging Instruments [Member] | Cross-Currency Interest Rate Swaps [Member] | Derivative Instruments [Member]
Derivatives, Fair Value [Line Items]
Assets (Liabilities) Derivative, Fair Value	4,615	6,565
Derivative fair value of non-current asset	6,741	9,517
Derivative fair value of current liability	2,126	2,952
Derivatives Not Designated As Hedging Instruments [Member]
Derivatives, Fair Value [Line Items]
Assets (Liabilities) Derivative, Fair Value	0	(8,006)
Derivatives Not Designated As Hedging Instruments [Member] | Total Equity Return Swap [Member] | Derivative Instruments [Member]
Derivatives, Fair Value [Line Items]
Assets (Liabilities) Derivative, Fair Value	$ 0	$ (8,006)

X

- Definition

Derivative Fair Value Of Current Liability

+ References

No definition available.

+ Details

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X

- Definition

Derivative Fair Value Of Non-Current Asset

+ References

No definition available.

+ Details

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X

- Definition

Fair value of the assets less the liabilities of a derivative or group of derivatives.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 6
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41271-113958

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=6945355&loc=d3e41228-113958

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 10
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13433-108611

Reference 4: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 15
-URI http://asc.fasb.org/extlink&oid=35750535&loc=d3e13495-108611

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

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