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Stockholders' Equity (Tables)
6 Months Ended
Jun. 30, 2023
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-Based Compensation Expense
Our share-based compensation expense is associated with RSUs, PSUs, and our Employee Stock Purchase Plan, or ESPP. The following table summarizes our share-based compensation expense included in our consolidated statements of operations for the periods shown:
Three Months Ended
June 30,
Six Months Ended
June 30,
(In millions)2023202220232022
Cost of sales$3.9 $2.8 $7.2 $5.1 
Research and development11.8 10.9 22.9 21.2 
Selling, general and administrative24.0 18.9 44.8 35.4 
Total share-based compensation expense$39.7 $32.6 $74.9 $61.7