Pensions and Other Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2023

Retirement Benefits [Abstract]

Net Periodic Benefit Cost

Components of net periodic benefit cost for the three months ended March 31, 2023 and 2022 were as follows:

	Pension and Other Postretirement Benefits
	Three Months Ended
	March 31,
(In millions)	2023		2022
Service cost	$	7.1	$	9.5
Interest cost	18.3		10.4
Expected return on plan assets	(16.4)		(16.6)
Amortization of prior service costs	—		0.1
Recognized net actuarial gains	(5.0)		—
Net periodic benefit cost	$	4.0	$	3.4