Pension and Other Post-Retirement Benefits

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Pension and Other Post-Retirement Benefits

Pension and Other Post-Retirement Benefits

The following table shows the components of net periodic cost for the three months ended March 31, 2023 and 2022 (in millions):

	2023 Pension Benefits		2022 Pension Benefits		2023 Retiree Health and Life		2022 Retiree Health and Life
Service cost	$	1.3	$	2.0	$	—	$	—
Interest cost	4.2		2.6		0.2		0.1
Expected return on plan assets	(5.4)		(4.0)		—		—
Amortization of (1):
Unrecognized prior service credit	—		—		(0.1)		—
Unrecognized net actuarial loss (gain)	0.2		2.2		(0.1)		(0.1)
Net periodic cost	$	0.3	$	2.8	$	—	$	—

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(1) Amounts reclassified from accumulated other comprehensive loss.

The service cost component of net periodic cost is recorded in selling, general and administrative expense and the non-service components are recorded in other expense in the statements of comprehensive income.