Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Defined Benefit Pension Plans

Components of Net Periodic Defined Benefit Cost

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

	Three months ended March 31,
	2013			2014
	(In millions)
Service cost	$	3.3		$	2.6
Interest cost		6.1			6.3
Expected return on plan assets		(6.1	)		(6.2	)
Amortization of unrecognized:
Prior service cost		.4			.2
Net transition obligations		.1			—
Recognized actuarial losses		3.4			2.8
Total	$	7.2		$	5.7

OPEB

Components of Net Periodic Defined Benefit Cost

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

	Three months ended March 31,
	2013			2014
	(In millions)
Service cost	$	.1		$	—
Interest cost		.2			.2
Amortization of prior service credit		(.5	)		(.5	)
Total	$	(.2	)	$	(.3	)