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Stockholders' Equity (Tables)
9 Months Ended
Sep. 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
September 30,
Nine Months Ended
September 30,
(In millions)2023202220232022
Cost of sales$3.9 $3.0 $11.1 $8.1 
Research and development11.4 10.8 34.3 32.0 
Selling, general and administrative23.7 17.0 68.5 52.4 
Total share-based compensation expense$39.0 $30.8 $113.9 $92.5