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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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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,
| 2026 |  | 2025 |  | 2026 |  | 2025
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 |

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