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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2022
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)2022202120222021
Cost of sales$3.0 $2.0 $8.1 $6.6 
Research and development10.8 9.8 32.0 31.3 
Selling, general and administrative17.0 15.7 52.4 49.2 
Total share-based compensation expense$30.8 $27.5 $92.5 $87.1