Pensions and Other Postretirement Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2015

Pensions and Other Postretirement Benefit Plans [Abstract]

Schedule of Net Periodic Benefit Plan Cost

	Pension plans						Other postretirement benefits
(in thousands)	2015			2014			2015			2014
Components of net periodic benefit cost:
Service cost	$	1,529		$	1,683		$	166		$	157
Interest cost		3,895			4,815			1,220			1,371
Expected return on assets		(4,326	)		(4,846	)		-			-
Amortization of prior service cost/(credit)		24			27			(2,244	)		(2,244	)
Amortization of net actuarial loss		1,297			1,229			1,669			1,454
Curtailment gain		-			(710	)		-			-
Net periodic benefit cost	$	2,419		$	2,198		$	811		$	738