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Derivative Instruments (Schedule Of Cash Flow Hedges Included In Accumulated Other Comprehensive Income (Loss)) (Details) - Cash Flow Hedging [Member] - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)	$ 20,487	$ 5,158	$ 537
Derivatives in Cash Flow Hedging, Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(14,209)	(2,792)	(164)
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Income on Derivative (Amount Excluded from Effectiveness Testing and Ineffective Portion)	(2,650)	0	(4,187)
Income (loss) adjustment to foreign exchange	(13,595)	(5,084)	921
Gain (loss) adjustment to net interest expense	1,692	(3,743)	(457)
Forward Contracts [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)	1,903	1,925	1,011
Derivatives in Cash Flow Hedging, Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(2,306)	(1,451)	(628)
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Income on Derivative (Amount Excluded from Effectiveness Testing and Ineffective Portion)	0	0	0
Cross-Currency Interest Rate Swaps [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)	18,584	3,233	(474)
Derivatives in Cash Flow Hedging, Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)	(11,903)	(1,341)	464
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Income on Derivative (Amount Excluded from Effectiveness Testing and Ineffective Portion)	$ (2,650)	$ 0	(4,187)
Settled Cross-Currency Interest Rate Swap [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivatives in Cash Flow Hedging, Gain (Loss) Recognized in Accumulated OCI on Derivative (Effective Portion)			(294)
Derivatives in Cash Flow Hedging, Gain (Loss) Reclassified from Accumulated OCI into Income (Effective Portion)			$ 1,436

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- Definition

The effective portion of loss (gain) reclassified from accumulated other comprehensive income to the statement of income within net interest expense.

+ References

No definition available.

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- Definition

Amount of increase (decrease) in the fair value of derivatives recognized in the income statement.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4A
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5618551-113959

Reference 2: http://www.xbrl.org/2003/role/presentationRef
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The effective portion of net gain (loss) reclassified from accumulated other comprehensive income into income on derivative instruments designated and 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 (c)
-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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- Definition

The effective portion of gains and losses (net) on derivative instruments designated and qualifying as hedging instruments that was recognized in other comprehensive income during the current period.

+ 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 (b)
-URI http://asc.fasb.org/extlink&oid=35706170&loc=SL5624171-113959

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Amount before tax, after reclassification adjustments of gain (loss) on foreign currency translation adjustments, foreign currency transactions designated and effective as economic hedges of a net investment in a foreign entity and intra-entity foreign currency transactions that are of a long-term-investment nature.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 830
-SubTopic 20
-Section 35
-Paragraph 3
-URI http://asc.fasb.org/extlink&oid=6939497&loc=d3e30304-110892

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 220
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-Section 45
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-URI http://asc.fasb.org/extlink&oid=6915805&loc=d3e32211-110900

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