v3.26.1
Derivative Financial Instruments - Summary of Outstanding Copper Swap Contracts (Details) - Copper Swap Contracts - Not designated as hedges
£ in Millions, $ in Millions
Jun. 30, 2026
GBP (£)
Jun. 30, 2026
USD ($)
Dec. 31, 2025
GBP (£)
Dec. 31, 2025
USD ($)
Derivatives Fair Value [Line Items]        
Units Outstanding (in Pounds) | £ £ 26.8   £ 25.6  
Net Fair Value – Asset | $   $ 20.2   $ 31.4