Employee Pension Plans (Tables)

6 Months Ended

Jun. 30, 2016

Employee Pension Plans [Abstract]

Components of Net Periodic Benefit Cost

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2016		2015		2016		2015
Interest cost	$	1,053	$	1,011	$	2,106	$	2,022
Expected return on plan assets		(1,203)		(1,256)		(2,406)		(2,512)
Amortization of net loss		427		1,460		854		2,920
Other		150		—		300		—
Net periodic benefit cost	$	427	$	1,215	$	854	$	2,430