Employee Benefit Plans

3 Months Ended

Mar. 31, 2023

Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Abstract]

Employee Benefit Plans

4.Employee Benefit Plans

Components of net periodic pension benefit cost were as follows (in millions):

	Three Months Ended March 31,
	2023			2022
Components of net periodic benefit cost
Service cost	$	1.7		$	2.6
Interest cost		4.1			4.3
Expected return on plan assets		(4.8	)		(5.2	)
Amortization of prior service cost (benefit)		0.5			0.5
Amortization of net actuarial loss (gain)		(0.6	)		0.2
Expenses paid		0.2			0.8
Net periodic benefit cost	$	1.1		$	3.2

Components of net periodic other post-employment benefit cost were as follows (in millions):

	Three Months Ended March 31,
	2023			2022
Components of net periodic benefit cost
Service cost	$	0.4		$	0.6
Interest cost		0.5			0.3
Amortization of prior service cost (benefit)		(0.4	)		(0.3	)
Amortization of net actuarial loss (gain)		—			0.1
Net periodic benefit cost	$	0.5		$	0.7

Components of net periodic benefit cost other than “Service cost” and “Expenses paid” are included in “Miscellaneous, net” in the Condensed Consolidated Statements of Income.