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ENVIRONMENTAL REMEDIATION OBLIGATIONS (Tables)
9 Months Ended
Sep. 30, 2025
Environmental Remediation Obligations [Abstract]  
Environmental Expense Charged to Income
Environmental provisions charged to income, which are included in costs of goods sold, were as follows:
 Three Months Ended September 30,Nine Months Ended September 30,
 2025202420252024
Environmental Expense($ in millions)
Provisions charged to income$5.5 $7.2 $15.3 $19.4 
Insurance recoveries(1)
(1.0)— (1.0)— 
Environmental expense$4.5 $7.2 $14.3 $19.4 
(1) Insurance recoveries for costs incurred and expensed in prior periods.