Hedging Transactions and Derivative Financial Instruments (Tables)

9 Months Ended

Sep. 30, 2017

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Amounts of Outstanding Derivative Positions

As of September 30, 2017 the notional values of these foreign currency forward contracts were:

Notional Values of Foreign Currency Derivatives
KRW/USD	₩	3,281,770,000
JPY/EUR	¥	350,000,000
EUR/USD	€	4,635,239
EUR/HUF	€	369,885
USD/CNY	$	6,083,500

The notional values of our copper contracts outstanding as of September 30, 2017 were:

Volume of Copper Derivatives
October 2017 - December 2017	122 metric tons per month
January 2018 - March 2018	140 metric tons per month
April 2018 - June 2018	139 metric tons per month
July 2018 - September 2018	93 metric tons per month
October 2018 - December 2018	23 metric tons per month

Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance

Effects on Statements of Operations and of Comprehensive Income (Loss):

(Dollars in thousands)		The Effect of Current Derivative Instruments on the Financial Statements for the period ended September 30, 2017						Fair Values of Derivative Instruments as of September 30, 2017
		Gain (Loss)						Other Assets (Liabilities)
Foreign Exchange Contracts	Location	Quarter Ended			Nine Months Ended
Contracts not designated as hedging instruments	Other income (expense), net	$	(198	)	$	(382	)	$	(382	)
Copper Derivatives
Contracts not designated as hedging instruments	Other income (expense), net	$	474		$	578		$	1,534
Interest Rate Swap
Contract designated as hedging instrument	Other comprehensive income (loss)	$	100		$	(415	)	$	(638	)

(Dollars in thousands)		The Effect of Current Derivative Instruments on the Financial Statements for the period ended September 30, 2016						Fair Values of Derivative Instruments as of September 30, 2016
		Gain (Loss)						Other Assets (Liabilities)
Foreign Exchange Contracts	Location	Quarter Ended			Nine Months Ended
Contracts not designated as hedging instruments	Other income (expense), net	$	29		$	29		$	29
Copper Derivatives
Contracts not designated as hedging instruments	Other income (expense), net	$	(94	)	$	(163	)	$	490