Pension and Other Postemployment Benefits (Tables)

3 Months Ended

Mar. 31, 2021

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,
	2021		2020
Service cost	$	1.4	$	2.0
Interest cost	0.8		1.3
Expected return on plan assets	(0.2)		(0.3)
Amortization of prior service cost	0.2		0.2
Amortization of actuarial losses	2.3		1.4
	$	4.5	$	4.6

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,
	2021		2020
Service cost	$	1.2	$	1.2
Interest cost	0.5		0.9
Amortization of prior service cost	1.0		1.1
Amortization of actuarial losses	1.0		0.5
	$	3.7	$	3.7