Pension and Postretirement Benefits Other Than Pension Plans (Tables)

3 Months Ended

Mar. 31, 2016

Pension Plan [Member]

Net Periodic Pension and Postretirement Benefit (Income) Expense

Net periodic pension expense reflected in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):

	Three Months Ended March 31,
	2016			2015
Interest cost	$	977		$	986
Expected return on plan assets		(1,034	)		(1,188	)
Amortization of net actuarial loss		292			308
Total net periodic pension expense	$	235		$	106

Other Postretirement Benefit Plan [Member]

Net Periodic Pension and Postretirement Benefit (Income) Expense

Net postretirement benefit income reflected in the accompanying condensed consolidated statements of operations included the following components for the respective periods (in thousands):

	Three Months Ended March 31,
	2016			2015
Interest cost	$	30		$	53
Amortization of net actuarial loss		59			118
Amortization of prior service credit		(328	)		(328	)
Total net postretirement benefit income	$	(239	)	$	(157	)