Employee Benefit Plans

3 Months Ended

Mar. 31, 2017

Compensation And Retirement Disclosure [Abstract]

Employee Benefit Plans

Note 11—Employee benefit plans:

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

	Three months ended March 31,
	2016			2017
	(In millions)
Service cost	$	2.5		$	2.7
Interest cost		4.4			3.8
Expected return on plan assets		(4.5	)		(3.2	)
Amortization of unrecognized prior service cost		.2			.1
Recognized actuarial losses		3.2			3.6
Total	$	5.8		$	7.0

Other postretirement benefits – The components of our net periodic other postretirement benefit cost are presented in the table below.

	Three months ended March 31,
	2016			2017
	(In millions)
Interest cost	$	.2		$	.1
Amortization of prior service credit		(.5	)		(.2	)
Recognized actuarial gains		(.1	)		(.1	)
Total	$	(.4	)	$	(.2	)

Contributions – We expect to contribute the equivalent of $15.1 million and $1.1 million, respectively, to all of our defined benefit pension plans and other postretirement benefit plans during 2017.