Pensions and Other Postretirement Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Pensions and Other Postretirement Benefit Plans [Abstract]

Schedule of Net Periodic Benefit Plan Cost

The composition of the net periodic benefit plan cost for the nine months ended September 30, 2014 and 2013 was as follows:
 

	Pension plans						Other postretirement benefits
(in thousands)	2014			2013			2014			2013
Components of net periodic benefit cost:
Service cost	$	2,521		$	2,526		$	236		$	789
Interest cost		7,217			5,999			2,057			2,374
Expected return on assets		(7,260	)		(6,103	)		-			-
Amortization of prior service cost/(credit)		41			27			(3,366	)		(2,818	)
Amortization of transition obligation		-			51			-			-
Amortization of net actuarial loss		1,845			2,357			2,181			2,606
Curtailment		(710	)		-			-			-
Settlement		-			315			-			-
Net periodic benefit cost	$	3,654		$	5,172		$	1,108		$	2,951