Hedging Transactions and Derivative Financial Instruments (Effect and Fair Value of Derivative Instruments) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Derivative [Line Items]
Effect of current derivative instruments	$ 200	$ 247	$ (51)
Not Designated as Hedging Instrument | Other income (expense), net | Foreign Exchange Contracts
Derivative [Line Items]
Effect of current derivative instruments	(779)	(333)	(7)
Not Designated as Hedging Instrument | Other income (expense), net | Copper Derivatives
Derivative [Line Items]
Effect of current derivative instruments	(716)	(2,101)	1,928
Designated as Hedging Instrument | Other comprehensive income (loss) | Interest Rate Swap
Derivative [Line Items]
Effect of current derivative instruments	$ (1,715)	$ 420	$ 41