Defined Benefit Pension Plans (Tables)

3 Months Ended

Mar. 31, 2019

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 March 31,
	2018			2019
	(In millions)
Service cost	$	3.0		$	2.8
Interest cost		4.0			4.0
Expected return on plan assets		(4.0	)		(3.7	)
Amortization of unrecognized prior service cost		.1			.1
Recognized actuarial losses		3.8			3.8
Total	$	6.9		$	7.0