v3.26.1
STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement [Abstract]  
Stock-based compensation expense Stock-based compensation expense was as follows:
Three Months Ended June 30,Six Months Ended June 30,
2026202520262025
Stock Compensation Expense($ in millions)
Stock-based compensation$9.7 $9.2 $16.9 $14.5 
Mark-to-market adjustments(5.4)(1.9)(1.1)(5.7)
Total expense$4.3 $7.3 $15.8 $8.8