Employee Pension Plans (Tables)

3 Months Ended

Mar. 31, 2015

Employee Pension Plans [Abstract]

Components of Net Periodic Benefit Cost

		Three Months Ended March 31,
		2015		2014
	(in thousands)
Interest cost	$	1,011	$	1,030
Expected return on plan assets		(1,256)		(1,192)
Amortization of net loss		1,460		1,077
Net periodic benefit cost	$	1,215	$	915