Pensions and Other Postretirement Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Benefit Plan Cost

The composition of the net periodic benefit plan cost for the three months ended March 31, 2016 and 2015 was as follows:

	Pension plans				Other postretirement benefits
(in thousands)	2016		2015		2016		2015
Components of net periodic benefit cost:
Service cost	$650		$790		$63		$83
Interest cost	1,994		2,013		611		610
Expected return on assets	(2,207	)	(2,235	)	-		-
Amortization of prior service cost/(credit)	9		13		(1,122	)	(1,122	)
Amortization of net actuarial loss	573		670		705		835
Net periodic benefit cost	$1,019		$1,251		$257		$406