Defined Benefit Pension Plans

3 Months Ended

Mar. 31, 2020

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,
	2019			2020
	(In millions)
Service cost	$	2.8		$	3.2
Interest cost		4.0			3.0
Expected return on plan assets		(3.7	)		(2.8	)
Amortization of unrecognized prior service cost		.1			-
Recognized actuarial losses		3.8			4.8
Total	$	7.0		$	8.2

We expect to contribute the equivalent of approximately $19.0 million to all of our defined benefit pension plans during 2020.