v3.26.1
Capital Stock and Equity Compensation (Tables)
6 Months Ended
Jun. 30, 2026
Share-Based Payment Arrangement, Noncash Expense [Abstract]  
Schedule of Share-Based Payment Arrangement, Expensed and Capitalized, Amount
The components of equity compensation expense were as follows:
Three Months EndedSix Months Ended
(Dollars in millions)June 30, 2026June 30, 2025June 30, 2026June 30, 2025
Performance-based restricted stock units expense$0.6 $2.1 $0.6 $3.9 
Time-based restricted stock units expense1.5 1.8 2.8 3.5 
Deferred stock units expense0.4 0.1 0.7 0.2 
Other0.1 0.3 0.2 0.3 
Total equity compensation expense$2.6 $4.3 $4.3 $7.9 
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 2026 and 2025:
May 19, 2026February 18, 2026February 12, 2026February 26, 2025
Expected volatility36.5%34.7%34.6%45.6%
Expected term (in years)2.6 years2.9 years2.9 years2.9 years
Risk-free interest rate4.10%3.44%3.43%4.28%
Schedule of Restricted Stock and Restricted Stock Activity
A summary of activity of the outstanding performance-based restricted stock units for the six months ended June 30, 2026 is presented below:
Performance-Based
Restricted Stock Units
Awards outstanding as of December 31, 2025109,916 
Awards granted53,522 
Stock issued— 
Awards forfeited/cancelled(63,874)
Awards outstanding as of June 30, 202699,564 
A summary of activity of the outstanding time-based restricted stock units for the six months ended June 30, 2026 is presented below:
Time-Based
Restricted Stock Units
Awards outstanding as of December 31, 2025115,905 
Awards granted78,129 
Stock issued(40,775)
Awards forfeited/cancelled(23,281)
Awards outstanding as of June 30, 2026129,978 
A summary of activity of the outstanding deferred stock units for the six months ended June 30, 2026 is presented below:
Deferred Stock Units
Awards outstanding as of December 31, 202523,566 
Awards granted12,843 
Stock issued(22,616)
Awards outstanding as of June 30, 202613,793