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Derivatives and Hedging (Notional Values of Derivative Instruments) (Details) - Contracts not designated as hedging instruments | Mar. 31, 2024 USD ($) tons_per_month | Mar. 31, 2024 EUR (€) tons_per_month | Mar. 31, 2024 KRW (₩) tons_per_month
--- | --- | --- | ---
April 2024 - June 2024 |  |  |
Derivative [Line Items] |  |  |
Volume of Copper Derivatives (in metric tons per month) | 69 | 69 | 69
July 2024 - September 2024 |  |  |
Derivative [Line Items] |  |  |
Volume of Copper Derivatives (in metric tons per month) | 69 | 69 | 69
October 2024 - December 2024 |  |  |
Derivative [Line Items] |  |  |
Volume of Copper Derivatives (in metric tons per month) | 69 | 69 | 69
January 2025 - March 2025 |  |  |
Derivative [Line Items] |  |  |
Volume of Copper Derivatives (in metric tons per month) | 69 | 69 | 69
USD/CNH | Foreign Currency Derivatives |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | $ | $ 20,700,000 |  |
EUR/USD | Foreign Currency Derivatives |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | € |  | € 14,700,000 |
KRW/USD | Foreign Currency Derivatives |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | ₩ |  |  | ₩ 5,372,800,000
JPY/EUR | Foreign Currency Derivatives |  |  |
Derivative [Line Items] |  |  |
Notional Values of Foreign Currency Derivatives | ₩ |  |  | ₩ 250,000,000

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