v3.25.4
ASSET RETIREMENT OBLIGATIONS (Tables)
12 Months Ended
Dec. 31, 2025
Asset Retirement Obligation [Abstract]  
Schedule of Asset Retirement Obligations
Changes in the carrying amounts of the Company’s AROs for the years ended December 31, 2025 and 2024 are shown below:
(In millions)20252024
Balance at beginning of year$22.4 $21.7 
Liabilities settled(0.3)(0.6)
Liabilities incurred3.0 2.3 
Accretion expense— 0.2 
Revision of estimate7.4 (1.2)
Balance at end of year$32.5 $22.4