Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Components of Net Periodic Benefit Cost

The components of net periodic benefit cost follows:

	Three Months Ended June 30,				Six Months Ended June 30,
(in millions)	2023		2022		2023		2022
Service cost	$	0.6	$	0.6	$	1.1	$	1.2
Interest cost	1.5		0.8		3.1		1.6
Expected return on plan assets	(2.1)		(2.4)		(4.1)		(4.8)
Amortization of unrecognized loss(1)	0.4		1.2		0.7		2.5
Settlement expense	—		0.5		—		0.9
Net periodic benefit cost	$	0.4	$	0.7	$	0.8	$	1.4

(1)Includes amortization of unrecognized actuarial (gain) loss and prior service credits and excludes provision for income tax of $(0.1) million and $(0.2) million for the three and six months ended June 30, 2023, respectively, and $(0.3) million and $(0.6) million for the three and six months ended June 30, 2022, respectively.