Defined Benefit Pension Plans (Tables)

6 Months Ended

Jun. 30, 2022

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,
	2021		2022		2021		2022
	(In millions)
Service cost	$	3.6	$	2.9	$	7.4	$	5.9
Interest cost		2.4		3.0		4.8		6.2
Expected return on plan assets		(3.4)		(3.4)		(6.8)		(6.9)
Amortization of prior service cost		.1		—		.1		—
Recognized actuarial losses		5.6		3.7		11.0		7.5
Total	$	8.3	$	6.2	$	16.5	$	12.7