v3.26.3
STOCK-BASED COMPENSATION (Tables)
 9 Months Ended
Sep. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Stock-based compensation expense Stock-based compensation expense was as follows:
Three Months Ended September 30,Nine Months Ended September 30,
2026202520262025
Stock Compensation Expense($ in millions)
Stock-based compensation$7.2 $6.3 $24.1 $20.8 
Mark-to-market adjustments(3.1)2.3 (4.2)(3.4)
Total expense$4.1 $8.6 $19.9 $17.4