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STOCK-BASED COMPENSATION (Tables)
6 Months Ended
Jun. 30, 2025
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, 2025 and 2024 was as follows (in millions):
 Three Months Ended
June 30,
Six Months Ended
June 30,
 2025202420252024
Cost of sales$7.5 $7.5 $14.8 $14.7 
Selling, general, and administrative expenses19.6 20.2 42.4 42.0 
Research and development expenses10.4 9.6 20.4 19.6 
Total stock-based compensation expense37.5 37.3 77.6 76.3 
Income tax benefit(6.1)(6.0)(12.6)(11.5)
Total stock-based compensation expense, net of tax$31.4 $31.3 $65.0 $64.8 
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,
 2025202420252024
Risk-free interest rate4.0%4.5%4.0%4.5%
Expected dividend yieldNoneNoneNoneNone
Expected volatility34.1%30.9%34.1%30.9%
Expected term (years)5.25.25.25.2
Fair value, per option$28.17$31.24$28.17$31.26
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,
 2025202420252024
Risk-free interest rate4.2%5.2%4.3%5.2%
Expected dividend yieldNoneNoneNoneNone
Expected volatility34.3%29.3%30.8%33.5%
Expected term (years)0.70.70.60.6
Fair value, per share$21.05 $23.37 $18.81$25.01