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Derivatives Narrative (Details) € in Millions, £ in Millions, $ in Millions	Mar. 31, 2025 USD ($)	Mar. 31, 2025 GBP (£)	Mar. 31, 2025 EUR (€)	Dec. 31, 2024 USD ($)	Dec. 31, 2024 EUR (€)
Foreign Currency Forward & Foreign Currency Option Contracts [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 219.9			$ 228.1
Foreign Exchange Forward [Member] | Dowlais Group plc
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	737.5	£ 571.0
Fair Value Hedging
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	189.2		€ 175.0	$ 181.2	€ 175.0
Interest Rate Swaps Through Q3 2027 | Debt [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	700.0
Interest Rate Swap Q3 2027 Through Q4 2029 | Debt [Member]
Derivative Instruments and Hedging Activities Disclosures [Line Items]
Derivative, Notional Amount	$ 200.0

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