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Stockholders' Equity (Tables)
9 Months Ended
Sep. 30, 2024
Equity [Abstract]  
Schedule of Share-based Incentive Compensation Expense
The table below shows our total share-based incentive compensation expense:
Three Months Ended
September 30,
Nine Months Ended
September 30,
(In millions)2024202320242023
Total share-based incentive compensation expense(1)
$8.5 $12.1 $24.4 $32.3 
(1)The amounts presented above do not include the expense related to our U.S. profit sharing contributions made in the form of our common stock. However, the amounts include the expense related to share-based awards that are settled in cash.
Schedule of Number of PSUs Granted and Grant Date Fair Value of PSUs
The target number of PSUs granted and the grant date fair value of the PSUs are shown in the following table:
 Adjusted EBITDA CAGRROIC
February 21, 2024 grant date
Number of units granted50,340 50,340 
Fair value on grant date (per unit)$41.09 $41.09 
March 1, 2024 grant date
Number of units granted22,692 22,692 
Fair value on grant date (per unit)$39.49 $39.49 
June 5, 2024 grant date
Number of units granted3,269 3,269 
Fair value on grant date (per unit)$42.08 $42.08 
July 1, 2024 grant date
Number of units granted21,982 21,982 
Fair value on grant date (per unit)$35.12 $35.12 
September 9, 2024 grant date
Number of units granted1,642 1,642 
Fair value on grant date (per unit)$32.78 $32.78 
Schedule of Assumptions Used to Calculate the Grant Date Fair Value
The assumptions used to calculate the grant date fair value of the PSUs are shown in the following table:

 Expected price volatilityRisk-free interest rate
February 21, 2024 grant date31.7 %4.4 %
March 1, 2024 grant date31.9 %4.3 %
June 5, 2024 grant date33.4 %4.5 %
July 1, 2024 grant date33.5 %4.6 %
September 9, 2024 grant date34.0 %3.6 %