Hedging Transactions and Derivative Financial Instruments (Tables)

12 Months Ended

Dec. 31, 2022

Derivative Instruments and Hedging Activities Disclosure [Abstract]

Schedule of Notional Values of Outstanding Derivatives and Volume of Copper Derivatives

As of December 31, 2022 the notional values of these foreign currency forward contracts were as follows:

Notional Values of Foreign Currency Derivatives
USD/CNH	$	13,598,684
KRW/USD	₩	7,596,600,000
EUR/USD	€	3,756,866

As of December 31, 2022, the volume of our copper contracts outstanding were as follows:

Volume of Copper Derivatives
January 2023 - March 2023	69 metric tons per month
April 2023 - June 2023	69 metric tons per month
July 2023 - September 2023	69 metric tons per month
October 2023 - December 2023	69 metric tons per month

Schedule of Gain (loss) on Derivative Instruments

The following table presents the impact from these instruments on the statement of operations and statements of comprehensive income:

		Years Ended December 31,
(Dollars in thousands)	Financial Statement Line Item	2022		2021		2020
Foreign Currency Contracts
Contracts not designated as hedging instruments	Other income (expense), net	$	(251)	$	(2,890)	$	(1,981)
Copper Derivatives Contracts
Contracts not designated as hedging instruments	Other income (expense), net	$	848	$	3,914	$	3,610
Interest Rate Swap Contract
Contract designated as hedging instrument	Other comprehensive income (loss)	$	—	$	—	$	1,254