Pension and Postretirement Benefits Other Than Pension Plans (Tables)

6 Months Ended

Jun. 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						Six Months Ended
	June 30,						June 30,
	2016			2015			2016			2015
Interest cost	$	953		$	986		$	1,930		$	1,972
Expected return on plan assets		(1,006	)		(1,188	)		(2,040	)		(2,376	)
Amortization of net actuarial loss		322			309			614			617
Total net periodic pension expense	$	269		$	107		$	504		$	213

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						Six Months Ended
	June 30,						June 30,
	2016			2015			2016			2015
Interest cost	$	30		$	53		$	60		$	106
Amortization of net actuarial loss		62			118			121			236
Amortization of prior service credit		(329	)		(329	)		(657	)		(657	)
Total net postretirement benefit income	$	(237	)	$	(158	)	$	(476	)	$	(315	)