Derivatives and Hedging (Notional Values of Derivative Instruments) (Details) - Not Designated as Hedging Instrument € in Millions, ₩ in Millions, ¥ in Millions, ¥ in Millions, Ft in Millions, $ in Millions	Jun. 30, 2025 USD ($) metricTon	Jun. 30, 2025 CNY (¥) metricTon	Jun. 30, 2025 EUR (€) metricTon	Jun. 30, 2025 KRW (₩) metricTon	Jun. 30, 2025 HUF (Ft) metricTon	Jun. 30, 2025 JPY (¥) metricTon
July 2025 - September 2025
Derivative [Line Items]
Volume of copper derivatives (in metric tons per month)	69	69	69	69	69	69
October 2025 - December 2025
Derivative [Line Items]
Volume of copper derivatives (in metric tons per month)	69	69	69	69	69	69
January 2026 - March 2026
Derivative [Line Items]
Volume of copper derivatives (in metric tons per month)	69	69	69	69	69	69
April 2026 - June 2026
Derivative [Line Items]
Volume of copper derivatives (in metric tons per month)	69	69	69	69	69	69
USD/CNH | Foreign Currency Derivatives
Derivative [Line Items]
Notional values of foreign currency derivatives	$ 48.9	¥ 350.0
EUR/USD | Foreign Currency Derivatives
Derivative [Line Items]
Notional values of foreign currency derivatives	12.5		€ 10.6
KRW/USD | Foreign Currency Derivatives
Derivative [Line Items]
Notional values of foreign currency derivatives	$ 1.5			₩ 1,964.3
HUF/EUR | Foreign Currency Derivatives
Derivative [Line Items]
Notional values of foreign currency derivatives			1.2		Ft 500.0
JPY/EUR | Foreign Currency Derivatives
Derivative [Line Items]
Notional values of foreign currency derivatives			€ 3.1			¥ 525.0