Pensions and Other Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2020

Retirement Benefits [Abstract]

Net Periodic Benefit Cost

Components of net periodic benefit cost for the three and nine months ended September 30, 2020 and 2019 were as follows:

	Pension and Other Postretirement Benefits
	Three Months Ended				Nine Months Ended
	September 30,				September 30,
(In millions)	2020		2019		2020		2019
Service cost	$	5.3	$	5.3	$	15.9	$	15.9
Interest cost	2.9		3.8		8.7		11.5
Expected return on plan assets	(3.3)		(3.0)		(10.1)		(9.1)
Amortization of prior service costs	—		0.3		—		0.8
Recognized net actuarial losses (gains)	0.1		(0.2)		0.4		(0.6)
Net periodic benefit cost	$	5.0	$	6.2	$	14.9	$	18.5