Defined Benefit Pension Plans

3 Months Ended

Mar. 31, 2021

Compensation And Retirement Disclosure [Abstract]

Defined Benefit Pension Plans

Note 10—Defined benefit pension plans:

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

	Three months ended
	March 31,
	2020			2021
	(In millions)
Service cost	$	3.2		$	3.8
Interest cost		3.0			2.4
Expected return on plan assets		(2.8	)		(3.4	)
Recognized actuarial losses		4.8			5.4
Total	$	8.2		$	8.2

We expect to contribute the equivalent of approximately $18 million to all of our defined benefit pension plans during 2021.