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Share-Based Compensation (Tables)
 9 Months Ended
Sep. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Share-Based Compensation Expense Recognized Under the Incentive Plan
Total share-based compensation expense is comprised of the following equity and liability classified award amounts:

Three Months Ended September 30,Nine Months Ended September 30,
(In millions)2023202420232024
Equity classified awards$17.0 $11.8 $50.3 $37.8 
Liability classified awards0.2 3.7 1.6 10.0 
Total share-based compensation expense$17.2 $15.5 $51.9 $47.8 

Total share-based compensation expense recognized was as follows: 
Three Months Ended September 30,Nine Months Ended September 30,
(In millions)2023202420232024
Cost of revenue$2.0 $2.0 $7.4 $5.9 
Selling, general and administrative expenses15.2 13.5 44.5 41.9 
Pre-tax share-based compensation expense17.2 15.5 51.9 47.8 
Less: Income tax benefit(3.6)(3.2)(10.9)(10.0)
Total share-based compensation expense, net of tax$13.6 $12.3 $41.0 $37.8