v3.26.3
Financing Agreements - Interest Rates and Maturities (Details) - USD ($)
$ in Millions
Sep. 30, 2026
Dec. 31, 2025
Nov. 13, 2025
Dec. 31, 2024
Nov. 16, 2023
Debt Instrument [Line Items]          
Effective interest rate 5.24%        
Finance lease obligations $ 5.7 $ 7.3      
Unamortized debt issuance costs and discounts (14.0) (17.4)      
Total financing obligations 1,628.4 1,539.5      
Less: Current financing obligations 35.2 34.8      
Total long-term financing obligations $ 1,593.2 1,504.7      
Revolving Credit Facility          
Debt Instrument [Line Items]          
Average interest rate as of September 30, 2026 4.79%        
Senior Notes | Public Senior Note Six Point Nine Five Percent Due March Twenty Twenty-Nine          
Debt Instrument [Line Items]          
Stated interest rate 6.95%       6.95%
Long-term debt $ 500.0 500.0      
Senior Notes | Public Senior Note Five Point Six Percent Due March Twenty Thirty-One          
Debt Instrument [Line Items]          
Stated interest rate 5.60%   5.60%    
Long-term debt $ 500.0 500.0      
Notes payable and other          
Debt Instrument [Line Items]          
Stated interest rate 4.30%        
Long-term debt $ 31.2 39.2      
Revolving Credit Facility          
Debt Instrument [Line Items]          
Senior notes due 2029 $ 149.2 35.4      
Term loan          
Debt Instrument [Line Items]          
Average interest rate as of September 30, 2026 5.50%        
Senior notes due 2029 $ 456.3 $ 475.0   $ 500.0