Pension and Postretirement Benefits (Tables)

6 Months Ended

Jun. 30, 2023

Retirement Benefits [Abstract]

Schedule of net periodic benefit cost

The components of net periodic benefit (income) expense costs recognized for the three and six months ended June 30, 2023 and 2022 were as follows:

	Pension Benefits								Postretirement Benefits
	Three Months Ended June 30,				Six Months Ended June 30,				Three Months Ended June 30,				Six Months Ended June 30,
	2023		2022		2023		2022		2023		2022		2023		2022
	(In millions)
Service costs	$	1.3	$	1.1	$	2.5	$	2.2	$	—	$	—	$	—	$	—
Interest costs	0.9		0.5		1.7		0.9		0.1		0.1		0.2		0.1
Expected return on plan assets	(2.5)		(3.3)		(5.0)		(6.5)		—		(0.1)		(0.1)		(0.2)
Recognized net actuarial loss	0.9		—		1.8		—		—		—		0.1		0.1
Net periodic benefit expense (income)	$	0.6	$	(1.7)	$	1.0	$	(3.4)	$	0.1	$	—	$	0.2	$	—