Retirement and Postretirement Benefits Other Than Pension Plans (Tables)

3 Months Ended

Mar. 31, 2015

Pension Plan [Member]

Net Periodic Pension and Postretirement Benefit (Income) Expense

Net periodic pension (income) 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,
	2015			2014
Interest cost	$	986		$	1,044
Expected return on plan assets		(1,188	)		(1,409	)
Amortization of net actuarial loss		308			148
Total net periodic pension (income) expense	$	106		$	(217	)

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,
	2015			2014
Interest cost	$	53		$	55
Amortization of net actuarial loss		118			105
Amortization of prior service credit		(328	)		(329	)
Total net postretirement benefit income	$	(157	)	$	(169	)