Financial Instruments And Risk Management (Gross Notional Amount Of Outstanding Derivative Instruments) (Details) - Currency Forward Contracts [Member] - USD ($) $ in Thousands |
Sep. 30, 2020 |
Dec. 31, 2019 |
Sep. 30, 2019 |
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| Derivative Instruments Designated As Cash Flow Hedges [Member] | |||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||
| Currency forward contracts | $ 419,402 | $ 471,822 | $ 412,041 |
| Derivative Instruments Not Designated As Cash Flow Hedges [Member] | |||
| Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] | |||
| Currency forward contracts | $ 224,573 | $ 214,086 | $ 235,945 |
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- Definition Nominal or face amount used to calculate payment on derivative. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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. No definition available.
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