Employee Retirement and Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2016

Defined Benefit Plans

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

The following table sets forth the components of net periodic benefit cost for our defined benefit plans during the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30						Nine Months Ended September 30
	2016			2015			2016			2015
	(In thousands)
Components of net periodic benefit cost:
Service cost	$	793		$	908		$	2,379		$	2,724
Interest cost	3,043			3,434			9,129			10,302
Expected return on plan assets	(4,633		)	(4,938		)	(13,899		)	(14,814		)
Amortizations:
Prior service cost	214			214			642			642
Unrecognized net loss	2,206			2,136			6,618			6,408
Net periodic benefit cost	$	1,623		$	1,754		$	4,869		$	5,262

Postretirement Benefits

Defined Benefit Plan Disclosure [Line Items]

Components of Net Periodic Benefit Cost

The following table sets forth the components of net periodic benefit cost for our postretirement benefit plans during the three and nine months ended September 30, 2016 and 2015:

	Three Months Ended September 30					Nine Months Ended September 30
	2016			2015		2016			2015
	(In thousands)
Components of net periodic benefit cost:
Service cost	$	160		$	205	$	480		$	615
Interest cost	271			364		813			1,092
Amortizations:
Prior service cost	23			23		69			69
Unrecognized net loss (gain)	(61		)	16		(183		)	48
Net periodic benefit cost	$	393		$	608	$	1,179		$	1,824