Employee Pension Plans (Tables)

9 Months Ended

Sep. 30, 2014

Employee Pension Plans [Abstract]

Components of Net Periodic Benefit Cost

		Three Months Ended September 30,				Nine Months Ended September 30,
		2014		2013		2014		2013
	(in thousands)				(in thousands)
Interest cost	$	1,030	$	917	$	3,090	$	2,750
Expected return on plan assets		(1,192)		(1,121)		(3,576)		(3,361)
Amortization of net loss		1,077		1,544		3,231		4,632
Net periodic benefit cost	$	915	$	1,340	$	2,745	$	4,021