Derivative Financial Instruments (Fair Value Of Derivative Instruments Included In Balance Sheets) (Details) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Interest Rate Swap [Member] \| Other Assets [Member]
Derivative Instruments in Hedges, at Fair Value, Net [Abstract]
Derivative Instruments in Hedges, Assets, at Fair Value	$ 165	$ 1,449
Interest Rate Swap [Member] \| Other Liabilities [Member]
Derivative Instruments in Hedges, at Fair Value, Net [Abstract]
Derivative Instruments in Hedges, Liabilities, at Fair Value	163	0
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	0	2,022
Interest Rate Swap [Member] \| Accrued Liabilities [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Interest Rate Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	1,132	660
Foreign Exchange Forward [Member] \| Other Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	4,594	3,090
Foreign Exchange Forward [Member] \| Other Liabilities [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	2,634	1,678
Foreign Exchange Forward [Member] \| Prepaid Expenses and Other Current Assets [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	1,617	1,331
Foreign Exchange Forward [Member] \| Accrued Liabilities [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	$ 1,017	$ 1,429

Aggregate fair value of all derivative assets designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

Reference 1: 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=73719730&loc=d3e13433-108611

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Aggregate fair value of all derivative liabilities designated as hedging instruments. Includes instruments designated as cash flow hedges, fair value hedges, and hedges of net investments in foreign operations.

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Fair value as of the balance sheet date of all foreign currency derivative assets not designated 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 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=64837297&loc=SL5624163-113959

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Fair value as of the balance sheet date of all foreign currency derivative liabilities not designated as hedging instruments.

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Fair value as of the balance sheet date of all derivative liabilities not designated as hedging instruments.

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