Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2024

Retirement Benefits [Abstract]

Summary of Components of Net Periodic Benefit Cost

The components of net periodic benefit cost follows:

	Three Months Ended September 30,				Nine Months Ended September 30,
(in millions)	2024		2023		2024		2023
Service cost	$	0.6	$	0.5	$	1.7	$	1.6
Interest cost	1.5		1.6		4.5		4.7
Expected return on plan assets	(2.0)		(2.0)		(5.9)		(6.1)
Amortization of unrecognized loss(1)	0.6		0.3		1.8		1.0
Net periodic benefit cost	$	0.7	$	0.4	$	2.1	$	1.2

(1)Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.1) million and $(0.4) million for the three and nine months ended September 30, 2024, respectively, and $(0.1) million and $(0.2) million for the three and nine months ended September 30, 2023, respectively.