Annual report pursuant to Section 13 and 15(d)

Supplemental Balance Sheet Information - Summary of Components of Property Plant and Equipment Net (Details)

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Supplemental Balance Sheet Information - Summary of Components of Property Plant and Equipment Net (Details) - USD ($)
$ in Millions
Dec. 31, 2023
Dec. 31, 2022
Property, Plant and Equipment [Line Items]    
Property plant and equipment, Gross $ 2,789.2 $ 2,113.5
Less: accumulated depreciation, depletion and amortization (1,010.2) (717.1)
Construction in progress 88.3 156.1
Property, plant, and equipment, net 1,779.0 1,396.4
Machinery and Equipment    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, Gross 2,130.8 1,665.1
Mining Property and Mine Development    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, Gross 425.3 172.1
Buildings and Leasehold Improvements    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, Gross 113.9 102.0
Land    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, Gross 13.3 5.6
Office Equipment Software and Other    
Property, Plant and Equipment [Line Items]    
Property plant and equipment, Gross $ 17.6 $ 12.6