Capital Stock and Equity Compensation (Tables)

3 Months Ended

Mar. 31, 2024

Share-Based Payment Arrangement, Noncash Expense [Abstract]

Schedule of Stockholders Equity

(Dollars in millions, except shares and per share amounts)
Period	Total Number of Shares Purchased	Average Price Paid per Share		Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs	Approximate Dollar Value of Shares that May Yet be Purchased under the Plans or Programs
March 1, 2024 to March 31, 2024	1,500	$	109.92	1,500	$	23.8

Schedule of Weighted-Average Assumptions Used

The following table sets forth the assumptions used in the Monte Carlo calculation for each material award granted in 2024 and 2023:

	February 19, 2024	February 13, 2024	February 9, 2023
Expected volatility	46.3%	46.2%	53.2%
Expected term (in years)	2.9	2.9	2.9
Risk-free interest rate	4.35%	4.35%	4.08%

Schedule of Restricted Stock and Restricted Stock Activity

A summary of activity of the outstanding performance-based restricted stock units for the three months ended March 31, 2024 is presented below:

	Performance-Based Restricted Stock Units
Awards outstanding as of December 31, 2023	73,528
Awards granted	79,700
Stock issued	—
Awards cancelled	(26,737)
Awards outstanding as of March 31, 2024	126,491

A summary of activity of the outstanding time-based restricted stock units for the three months ended March 31, 2024 is presented below:

	Time-Based Restricted Stock Units
Awards outstanding as of December 31, 2023	100,999
Awards granted	67,480
Stock issued	(34,261)
Awards cancelled	(3,688)
Awards outstanding as of March 31, 2024	130,530

A summary of activity of the outstanding deferred stock units for the three months ended March 31, 2024 is presented below:

	Deferred Stock Units
Awards outstanding as of December 31, 2023	8,100
Awards granted	450
Stock issued	(950)
Awards outstanding as of March 31, 2024	7,600