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Fair Value Measurements (Details) - USD ($) $ in Thousands | Sep. 30, 2020 | Dec. 31, 2019
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Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Foreign Currency Cash Flow Hedge Short Term | $ 8,742 | $ 0
Cash Equivalents, at Carrying Value | 18,900 | 8,200
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 2 [Member] |  |
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] |  |
Derivative Asset | 5,167 | 1,568
Derivative Liability | 18,747 | 9,017
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value | 5,167 | 1,568
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value | 2,740 | 2,392
Interest Rate Swap Short Term | 99 | 371
Interest Rate Cash Flow Hedge Liability at Fair Value | 3,075 | 1,548
Foreign Currency Cash Flow Hedge Liability at Fair Value | 4,091 | $ 4,706
Change in Carrying Value Verse Fair Value of Long Term Debt | $ 52,200 |

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