XML 74 R47.htm IDEA: XBRL DOCUMENT v3.25.0.1
Stock-Based Compensation (Tables)
 12 Months Ended
Dec. 31, 2024
Share-Based Payment Arrangement [Abstract]  
Schedule of Target Grants of Restricted Stock Units
Target grants of RSUs outstanding at December 31, 2024, were as follows:
Grant DatePerformance PeriodTarget Grant of Shares
February 2023/ July 20232023-2025542,233 
February 2024/ June 20242024-2026698,284 
A summary of the status of the RSUs for the year ended December 31, 2024, was as follows:
RSUs
 
Number of Shares
Weighted
Average
Grant-Date
Fair Value
**
Nonvested at beginning of period873,300 $21.16 
Granted pre-separation of Everus
478,938 20.89 
Forfeited
(112,826)21.35 
Non-vested pre-separation of Everus
1,239,412 
Adjustments related to the Everus separation*
663,661 
Vested shares
(662,556)12.04 
Nonvested at end of period1,240,517 $12.56 
*Includes the conversion adjustments to preserve the intrinsic value of the awards and the cancellation of outstanding awards held by employees that transferred to Everus, which were replaced with awards issued by Everus as part of the separation.
** Weighted average grant-date fair values post-separation of Everus reflects incremental fair value related to modifying the awards and the Company's adjusted stock price due to the separation.
Schedule of Share-Based Payment Award, Performance Shares, Valuation Assumptions Assumptions used for initial grants applicable to the market condition for certain PSAs issued in 2022 were:
2022 
Weighted average grant-date fair value$36.25 
Blended volatility range
24.07% - 31.41%
Risk-free interest rate range
.71% - 1.68%
Weighted average discounted dividends per share$2.93