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STOCK-BASED COMPENSATION (Tables)
3 Months Ended
Mar. 31, 2023
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 months ended March 31, 2023 and 2022 was as follows (in millions):
 Three Months Ended
March 31,
 20232022
Cost of sales$7.0 $6.2 
Selling, general, and administrative expenses22.3 18.7 
Research and development expenses9.6 7.5 
Total stock-based compensation expense38.9 32.4 
Income tax benefit(4.7)(4.4)
Total stock-based compensation expense, net of tax$34.2 $28.0 
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
March 31,
 20232022
Risk-free interest rate4.1 %1.9 %
Expected dividend yieldNoneNone
Expected volatility31.3 %33.5 %
Expected term (years)5.35.3
Fair value, per option$27.77 $35.66 
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
March 31,
 20232022
Risk-free interest rate4.6 %0.2 %
Expected dividend yieldNoneNone
Expected volatility31.5 %32.2 %
Expected term (years)0.60.6
Fair value, per share$21.10 $29.52