v3.26.1
PENSION PLANS AND OTHER POSTRETIREMENT BENEFITS - Net Amounts Recognized (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2026
Dec. 31, 2025
Net amounts recognized in the balance sheets      
Benefit obligations $ 183.1 $ 183.1 $ 186.9
Cash contributions and benefit payments to unfunded plans 2.0 4.4  
Additional cash contributions, including benefit payments to unfunded plans $ 7.1 $ 7.1