Derivative Financial Instruments (Schedule Of Derivative Instruments Included In Balance Sheets) (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Interest Rate Swap [Member] \| Accrued Liabilities [Member]
Derivatives designated as hedging instruments:
Liabilities	$ 1,966	$ 356
Foreign Exchange Forward [Member] \| Accrued Liabilities [Member]
Derivatives not designated as hedging instruments:
Liabilities	687	700
Foreign Exchange Forward [Member] \| Other Assets [Member]
Derivatives not designated as hedging instruments:
Assets	993	2,057
Foreign Exchange Forward [Member] \| Prepaid Expenses and Other Current Assets [Member]
Derivatives not designated as hedging instruments:
Assets	891	1,452
Foreign Exchange Forward [Member] \| Other Liabilities [Member]
Derivatives not designated as hedging instruments:
Liabilities	$ 1,202	$ 2,421

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- References

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- Definition

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

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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- Definition

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

+ References

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- Definition

Fair value as of the balance sheet date of all derivative liabilities designated as interest rate fair value hedging instruments.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 815
-SubTopic 10
-Section 50
-Paragraph 4B
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=109980867&loc=SL5624163-113959

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