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STOCK-BASED COMPENSATION (Tables)
6 Months Ended
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,
2026202520262025
Cost of sales$8.4 $7.5 $16.6 $14.8 
Selling, general, and administrative expenses23.0 19.6 48.9 42.4 
Research and development expenses10.8 10.4 22.1 20.4 
Total stock-based compensation expense42.2 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,
2026202520262025
Risk-free interest rate4.1%4.0%4.1%4.0%
Expected dividend yieldNoneNoneNoneNone
Expected volatility33.5%34.1%33.5%34.1%
Expected term (years)5.35.25.35.2
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,
2026202520262025
Risk-free interest rate3.7%4.2%3.6%4.3%
Expected dividend yieldNoneNoneNoneNone
Expected volatility28.7%34.3%32.6%30.8%
Expected term (years)0.70.70.60.6
Fair value, per share$19.82 $21.05 $21.74$18.81