Employee Pension Plans (Tables)

6 Months Ended

Jun. 30, 2019

Employee Pension Plans [Abstract]

Components of Net Periodic Benefit Cost

	Three Months Ended June 30,				Six Months Ended June 30,
(in thousands)	2019		2018		2019		2018
Interest cost	$	948	$	883	$	1,896	$	1,766
Expected return on plan assets		(1,043)		(1,077)		(2,086)		(2,154)
Amortization of net loss		463		513		926		1,026
Other		225		213		450		426
Net periodic benefit cost	$	593	$	532	$	1,186	$	1,064