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Hedging Transactions and Derivative Financial Instruments (Effect and Fair Value of Derivative Instruments) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
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Jun. 30, 2020 | Jun. 30, 2019 | Jun. 30, 2020 | Jun. 30, 2019
Derivative [Line Items] |  |  |  |
Derivative, gain (loss) on derivative, net | $ (336) | $ 79 | $ (422) | $ 201
Contracts not designated as hedging instruments | Other (expense) income, net | Foreign Currency Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, gain (loss) on derivative, net | (27) | 125 | (555) | (586)
Contracts not designated as hedging instruments | Other (expense) income, net | Copper Derivative Contracts |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, gain (loss) on derivative, net | 964 | (775) | (171) | (465)
Contract designated as hedging instrument | Other comprehensive income (loss) | Interest rate swap contract |  |  |  |
Derivative [Line Items] |  |  |  |
Derivative, gain (loss) on derivative, net | $ 173 | $ (1,113) | $ (1,517) | $ (1,745)

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