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STOCK-BASED COMPENSATION (Tables) | 6 Months Ended
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Jun. 30, 2026
Share-Based Payment Arrangement [Abstract] |
Schedule of Stock-Based Compensation Expense | Stock-based compensation expense related to awards issued under the Company's incentive compensation plans for the three and six months ended June 30, 2026 and 2025 was as follows (in millions):
| Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Cost of sales | $ | 8.4 |  |  | $ | 7.5 |  |  | $ | 16.6 |  |  | $ | 14.8 |
Selling, general, and administrative expenses | 23.0 |  |  | 19.6 |  |  | 48.9 |  |  | 42.4 |
Research and development expenses | 10.8 |  |  | 10.4 |  |  | 22.1 |  |  | 20.4 |
Total stock-based compensation expense | 42.2 |  |  | 37.5 |  |  | 87.6 |  |  | 77.6 |
Income tax benefit | (7.0) |  |  | (6.1) |  |  | (14.5) |  |  | (12.6) |
Total stock-based compensation expense, net of tax | $ | 35.2 |  |  | $ | 31.4 |  |  | $ | 73.1 |  |  | $ | 65.0 |
Schedule of Weighted-Average Assumptions for Options Granted | The following table includes the weighted-average grant-date fair values of stock options granted during the periods indicated and the related weighted-average assumptions used in the Black-Scholes option pricing model:
Option Awards | Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Risk-free interest rate | 4.1% |  | 4.0% |  | 4.1% |  | 4.0%
Expected dividend yield | None |  | None |  | None |  | None
Expected volatility | 33.5% |  | 34.1% |  | 33.5% |  | 34.1%
Expected term (years) | 5.3 |  | 5.2 |  | 5.3 |  | 5.2
Fair value, per option | $ | 31.53 |  | $ | 28.17 |  | $ | 31.51 |  | $ | 28.17
Schedule of Weighted-Average Assumptions for ESPP Subscriptions Granted | The following table includes the weighted-average grant-date fair values for ESPP subscriptions granted during the periods indicated and the related weighted-average assumptions used in the Black-Scholes option pricing model:
ESPP | Three Months Ended June 30, |  | Six Months Ended June 30,
| 2026 |  | 2025 |  | 2026 |  | 2025
Risk-free interest rate | 3.7% |  | 4.2% |  | 3.6% |  | 4.3%
Expected dividend yield | None |  | None |  | None |  | None
Expected volatility | 28.7% |  | 34.3% |  | 32.6% |  | 30.8%
Expected term (years) | 0.7 |  | 0.7 |  | 0.6 |  | 0.6
Fair value, per share | $ | 19.82 |  |  | $ | 21.05 |  |  | $ | 21.74 |  | $ | 18.81 |

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