Pension and Postretirement Benefits (Tables)

3 Months Ended

Mar. 31, 2024

Retirement Benefits [Abstract]

Schedule of Net Periodic Benefit Cost

The components of net periodic benefit (income) expense costs recognized for the three months ended March 31, 2024 and 2023 were as follows:

	Pension Benefits				Postretirement Benefits
	Three Months Ended March 31,				Three Months Ended March 31,
	2024		2023		2024		2023
	(In millions)
Service costs	$	1.6	$	1.2	$	—	$	—
Interest costs	0.9		0.8		0.1		0.1
Expected return on plan assets	(2.7)		(2.5)		(0.1)		(0.1)
Recognized net actuarial loss	0.4		0.9		0.1		0.1
Net periodic benefit expense	$	0.2	$	0.4	$	0.1	$	0.1