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Hedging Activities And Financial Instruments (Details) - USD ($) | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | ---
Derivative [Line Items] |  |
Derivative financial instruments | $ (318,000) |
Not Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Foreign currency contracts | 102,407,000 | $ 75,304,000
Level 2 | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Derivative financial instruments | $ (318,000) |
Interest Rate Contract | Designated as Hedging Instrument |  |
Derivative [Line Items] |  |
Floor interest rate (as a percentage) | 0.00% |
Notional interest rate contracts outstanding | $ 40,000,000 |

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