Hedging Transactions and Derivative Financial Instruments (Effect and Fair Value of Derivative Instruments) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Other income, net | Foreign Exchange Option Contracts
Derivative [Line Items]
Foreign Exchange Contracts, Not designated as hedging instruments, Amount of gain (loss)	$ (78)	$ (18)
Foreign Exchange Contracts, Not designated as hedging instruments, Other assets (liabilities)	(78)	(18)
Other income, net | Copper Derivative Instruments
Derivative [Line Items]
Copper Derivative Instruments, Not designated as hedging instruments, Amount of gain (loss)	(666)	(605)
Copper Derivative Instruments, Not designated as hedging instruments, Other assets (liabilities)	193	355
Other comprehensive income (loss) | Interest Rate Swap Instrument
Derivative [Line Items]
Interest Rate Swap Instrument, Designated as hedging instruments, Amount of gain (loss)	126	152
Interest Rate Swap Instrument, Designated as hedging instruments, Other assets (liabilities)	$ (18)	$ (144)