Share-Based Compensation (Tables)

3 Months Ended

Mar. 31, 2025

Shares awarded to non-employee directors [Line Items]

Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan

The table below presents the amounts included in net income related to share-based compensation expense for the three months ended March 31, 2025 and 2024:

	Three Months Ended
	March 31,
	2025		2024
(in millions)
Awards to key employees	$	2.1	$	1.9
Awards to non-employee directors	0.2		0.2
Total compensation expense	2.3		2.1
Less: tax benefit	(0.6)		(0.5)
Share-based compensation amounts included in net income	$	1.7	$	1.6

Award to key employees [Member]

Shares awarded to non-employee directors [Line Items]

Schedule of Share-based Compensation, Activity

The table below presents the summary of the stock activity for awards to key employees for the three months ended March 31, 2025: 

(in thousands, except per share data)	Number of Shares	Weighted Average Fair Value/Share
Outstanding—December 31, 2024	253	$	117.96
Granted	95	$	125.55
Vested	(37)	$	129.97
Expired	(26)	$	113.44
Outstanding—March 31, 2025	285	$	115.55