v3.26.3
FAIR VALUE MEASUREMENTS - LEVEL 3 RECONCILIATION (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Level 3 rollforward        
Balance at the beginning of the period $ 24.3 $ 19.0 $ 5.7 $ 7.8
Purchases 0.1 0.0 28.3 23.7
Net realized and unrealized losses included in earnings 0.0 (0.1) 0.0 (0.1)
Sales (0.2) 0.0 (0.6) 0.0
Settlements (9.5) (8.3) (18.7) (20.8)
Balance at the end of the period 14.7 10.6 14.7 10.6
Net unrealized losses included in earnings attributable to level 3 derivatives held at the end of the reporting period $ 0.0 $ (0.1) $ 0.0 $ (0.1)