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Debt - Long-term (Details) - USD ($)
$ in Millions
Mar. 31, 2023
Dec. 31, 2022
Debt Instrument [Line Items]    
Debt issuance cost $ (15.4) $ (16.1)
Total long-term debt 2,824.9 2,821.7
Less: debt maturing within one year 490.9 88.5
Total long-term debt, less current portion 2,334.0 2,733.2
Revolving Credit Facility | Line of Credit    
Debt Instrument [Line Items]    
Long-term debt, gross 0.0 0.0
Letters of credit outstanding amount 167.4  
Pollution Control and Industrial Revenue Bonds    
Debt Instrument [Line Items]    
Unamortized discount 0.1 0.1
Long-term debt, gross $ 49.9 49.9
Pollution Control and Industrial Revenue Bonds | Minimum    
Debt Instrument [Line Items]    
Interest Rate Percentage 6.45%  
Senior Notes    
Debt Instrument [Line Items]    
Unamortized discount $ 0.5 0.6
Long-term debt, gross $ 1,899.5 1,899.4
Senior Notes | Minimum    
Debt Instrument [Line Items]    
Interest Rate Percentage 3.20%  
Senior Notes | Maximum    
Debt Instrument [Line Items]    
Interest Rate Percentage 4.50%  
2021 Term Loan Facility    
Debt Instrument [Line Items]    
Interest Rate Percentage 5.90%  
Long-term debt, gross $ 800.0 800.0
Revolving Credit Facility | Line of Credit    
Debt Instrument [Line Items]    
Interest Rate Percentage 7.50%  
Foreign debt    
Debt Instrument [Line Items]    
Long-term debt, gross $ 90.9 $ 88.5
Foreign debt | Minimum    
Debt Instrument [Line Items]    
Interest Rate Percentage 0.00%  
Foreign debt | Maximum    
Debt Instrument [Line Items]    
Interest Rate Percentage 17.90%  
Revolving Credit Facility    
Debt Instrument [Line Items]    
Credit agreement, available funds $ 626.9