v3.26.1
DEBT - Summary (Details) - USD ($)
$ in Millions
Jun. 30, 2026
Dec. 31, 2025
Debt    
Total $ 1,670.0 $ 1,427.7
Less: unamortized discount and debt issuance costs (6.1) (6.8)
Less: amounts due within one year   (0.7)
Total long-term debt 1,663.9 1,420.2
Unsecured revolving credit facility maturing September 10, 2029    
Debt    
Total 520.0 277.0
Unsecured term loan maturing August 14, 2028    
Debt    
Total 400.0 400.0
Senior unsecured notes, interest payable semi-annually at 2.15%, effective rate of 2.27%, maturing August 15, 2030    
Debt    
Total $ 500.0 $ 500.0
Semi-annual rate (as a percent) 2.15% 2.15%
Effective rate (as a percent) 2.27% 2.27%
Senior unsecured notes, interest payable semi-annually at 6.85%, effective rate of 6.91%, maturing November 15, 2036    
Debt    
Total $ 250.0 $ 250.0
Semi-annual rate (as a percent) 6.85% 6.85%
Effective rate (as a percent) 6.91% 6.91%
Other notes    
Debt    
Total   $ 0.7