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Stockholders' Equity (Tables)
3 Months Ended
Mar. 31, 2024
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
March 31,
(In millions)20242023
Cost of sales$3.7 $3.3 
Research and development11.5 11.1 
Selling, general and administrative23.8 20.8 
Total share-based compensation expense$39.0 $35.2