Compensation Related Costs, Share Based Payments (Policies)

12 Months Ended

Dec. 31, 2023

Share-Based Payment Arrangement [Abstract]

Share-based Payment Arrangement

The income tax benefit related to stock-based compensation expense was $9.3 million, $8.6 million and $9.0 million for the year ended December 31, 2023, 2022, and 2021 respectively. See Note 8, Income taxes, for additional details.

As of December 31, 2023, total unearned stock-based compensation of $57.0 million related to stock options, RSUs, PSUs, and ESPP shares is expected to be recognized over a weighted-average period of 2.24 years.