Pension and Postretirement Benefits Other Than Pension Plans (Tables)

9 Months Ended

Sep. 30, 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 September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Interest cost	$	966		$	1,005		$	2,896		$	2,977
Expected return on plan assets		(1,021	)		(1,142	)		(3,061	)		(3,518	)
Amortization of net actuarial loss		307			258			921			875
Net settlement loss		1,567			1,593			1,567			1,593
Total net periodic pension expense	$	1,819		$	1,714		$	2,323		$	1,927

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 September 30,						Nine Months Ended September 30,
	2016			2015			2016			2015
Interest cost	$	30		$	53		$	90		$	159
Amortization of net actuarial loss		60			118			181			354
Amortization of prior service credit		(328	)		(329	)		(985	)		(986	)
Total net postretirement benefit income	$	(238	)	$	(158	)	$	(714	)	$	(473	)