v3.26.1
Debt - Narrative (Details) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Feb. 28, 2022
8-year senior secured notes, semi-annual interest payments, 4.38%, mature February 1, 2030 | Senior Secured Notes          
Debt Instrument [Line Items]          
Accrued interest $ 7.3 $ 7.3      
Unamortized deferred issuance costs 4.1 4.6      
Debt face amount         $ 400.0
8-year senior secured notes, semi-annual interest payments, 5.88%, mature August 1, 2032 | Senior Secured Notes          
Debt Instrument [Line Items]          
Accrued interest 29.4 29.4      
Debt face amount     $ 600.0 $ 600.0  
Debt instrument, face amount, percentage     99.50%    
Unamortized discounts and debt issuance costs, including discount 18.3 19.5      
Secured Debt | Credit Agreement | Medium-Term Note          
Debt Instrument [Line Items]          
Principal outstanding 1,674.5 1,683.0      
Accrued interest 0.3 0.3      
Unamortized deferred issuance costs 21.6 23.6      
Revolving Credit Facility | Credit Agreement | Line of Credit          
Debt Instrument [Line Items]          
Accrued interest 0.7 0.1      
Borrowing capacity 1,400.0 1,400.0      
Deferred issuance cost 6.5 7.5      
Commitments available to be borrowed 1,042.9 1,326.8      
Amount drawn on facility 357.1 73.2      
Accrued unused borrowing capacity fee $ 0.6 $ 0.8      
Revolving Credit Facility | Credit Agreement | Line of Credit | Minimum          
Debt Instrument [Line Items]          
Commitment fee on undrawn amounts 0.25%        
Revolving Credit Facility | Credit Agreement | Line of Credit | Maximum          
Debt Instrument [Line Items]          
Commitment fee on undrawn amounts 0.50%