v3.26.1
SUPPLEMENTARY DATA (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
SUPPLEMENTARY DATA [Abstract]          
Property, buildings and equipment $ 1,042.8   $ 1,042.8   $ 1,011.2
Accumulated depreciation 414.7   414.7   $ 371.3
Depreciation expense $ 24.7 $ 21.4 $ 47.6 $ 44.4  
Infrastructure improvement incentives related to capital expenditures   $ 12.1   $ 12.1