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Hedging Transactions and Derivative Financial Instruments (Effect and Fair Value of Derivative Instruments) (Detail) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Derivative [Line Items] |  |  |
Effect of current derivative instruments | $ (3,191) | $ 200 | $ 247
Contracts not designated as hedging instruments | Other income (expense), net | Foreign Currency Contracts |  |  |
Derivative [Line Items] |  |  |
Effect of current derivative instruments | (1,981) | (779) | (333)
Contracts not designated as hedging instruments | Other income (expense), net | Copper Derivatives Contracts |  |  |
Derivative [Line Items] |  |  |
Effect of current derivative instruments | 3,610 | (716) | (2,101)
Contract designated as hedging instrument | Other comprehensive income (loss) | Interest Rate Swap Contract |  |  |
Derivative [Line Items] |  |  |
Effect of current derivative instruments | $ 1,254 | $ (1,715) | $ 420

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- Definition Amount of increase (decrease) in the fair value of derivatives recognized in the income statement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4A -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=121590274&loc=SL5618551-113959 + Details
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