Defined contribution and defined benefit retirement (Tables)

6 Months Ended

Jun. 30, 2023

Defined Benefit Pension Plans

Components of Net Periodic Defined Benefit Cost

The components of our net periodic defined benefit pension cost are presented in the table below.

	Three months ended				Six months ended
	June 30,				June 30,
	2022		2023		2022		2023
	(In millions)
Service cost	$	2.9	$	1.5	$	5.9	$	3.1
Interest cost		3.0		5.5		6.2		11.1
Expected return on plan assets		(3.4)		(5.2)		(6.9)		(10.4)
Recognized net actuarial losses		3.7		1.0		7.5		1.9
Settlements		—		6.2		—		6.2
Total	$	6.2	$	9.0	$	12.7	$	11.9