Pension and Other Postemployment Benefits (Tables)

3 Months Ended

Mar. 31, 2022

Defined Benefit Pension Plans [Member]

Components of Net Periodic Benefit Expense

Defined Benefit Pension Plans

The components of net periodic benefit expense were (in millions):

	Three Months Ended March 31,
	2022		2021
Service cost	$	0.8	$	1.4
Interest cost	1.0		0.8
Expected return on plan assets	(0.3)		(0.2)
Amortization of prior service cost	0.1		0.2
Amortization of actuarial losses	1.0		2.3
	$	2.6	$	4.5

Postemployment Arrangements [Member]

Components of Net Periodic Benefit Expense

Postemployment Arrangements

The components of net periodic benefit expense were (in millions):

	Three Months Ended March 31,
	2022		2021
Service cost	$	1.1	$	1.2
Interest cost	0.7		0.5
Amortization of prior service cost	0.9		1.0
Amortization of actuarial losses	0.6		1.0
	$	3.3	$	3.7