v3.26.3
ENVIRONMENTAL INFORMATION (Tables)
 9 Months Ended
Sep. 30, 2026
Environmental Remediation Obligations [Abstract]  
Environmental Reserve The condensed balance sheets included reserves for future environmental expenditures to investigate and remediate known sites as follows:
September 30, 2026December 31, 2025September 30, 2025
Environmental ReserveBalance Sheet Location($ in millions)
Current reserveAccrued Liabilities$30.0 $30.0 $30.0 
Long-term reserveOther noncurrent liabilities126.8 126.3 124.7 
Total reserve$156.8 $156.3 $154.7 
Environmental Expense
Environmental provisions charged to income, which are included in cost of goods sold, were as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
Environmental Expense($ in millions)
Provisions charged to income$5.6 $5.5 $16.5 $15.3 
Insurance recoveries(1)
— (1.0)— (1.0)
Environmental expense$5.6 $4.5 $16.5 $14.3