Pension And Postretirement Benefits (Tables)

9 Months Ended

Sep. 30, 2015

Pension And Postretirement Benefits

Pension And Postretirement Benefit Costs Included In Operating Expenses

	Three months ended				Nine months ended
	September 30,				September 30,
	2015		2014		2015		2014
Pension cost:
Service cost – benefits earned during the period	$	305	$	282	$	904	$	846
Interest cost on projected benefit obligation		477		661		1,424		1,984
Expected return on assets		(832)		(849)		(2,484)		(2,549)
Amortization of prior service credit		(25)		(24)		(77)		(71)
Net pension (credit) cost	$	(75)	$	70	$	(233)	$	210
Postretirement cost:
Service cost – benefits earned during the period	$	55	$	59	$	166	$	175
Interest cost on accumulated postretirement benefit obligation		242		365		725		1,094
Expected return on assets		(105)		(165)		(315)		(491)
Amortization of prior service credit		(320)		(362)		(959)		(1,086)
Net postretirement (credit) cost	$	(128)	$	(103)	$	(383)	$	(308)
Combined net pension and postretirement (credit) cost	$	(203)	$	(33)	$	(616)	$	(98)