Stock-Based Compensation Plans (Tables)

12 Months Ended

Dec. 31, 2024

Share-Based Payment Arrangement [Abstract]

Schedule of Stock-Based Compensation

We recorded stock-based compensation for Restricted Shares as follows:

	Year Ended December 31,
	2024		2023		2022
	(Amounts in millions)
Stock-based compensation expense	$	30.5	$	27.8	$	25.5
Related income tax benefit	(6.9)		(6.3)		(5.8)
Net stock-based compensation expense	$	23.6	$	21.5	$	19.7

Information Regarding Restricted Shares

The following table summarizes information regarding Restricted Shares:

	Year Ended December 31, 2024
	Shares	Weighted Average Grant-Date Fair Value
Number of unvested Restricted Shares:
Outstanding — beginning of year	1,741,486	$	36.06
Granted	823,703	42.73
Vested	(787,870)	36.40
Canceled	(110,636)	36.30
Outstanding — end of year	1,666,683	$	39.18