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Stock-Based Compensation (Tables)
6 Months Ended
Jun. 30, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Stock-Based Compensation Expense A summary of the Company's stock-based compensation expense is presented in the following table:
Three Months Ended June 30,Six Months Ended June 30,
(in millions)2024202320242023
PRSU expense$4.5 $7.8 $8.6 $12.9 
RSU expense4.5 5.1 9.0 10.2 
Option expense0.5 0.5 1.1 1.1 
Total stock-based compensation expense$9.5 $13.4 $18.7 $24.2