Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

Retirement Benefits [Abstract]

Components of benefit expense

The components of the employee benefit plans expense consisted of the following:

	Three Months Ended   March 31,
(in thousands)	2019			2018
Interest cost	$	5,800		$	5,925
Expected return on plan assets, net of expenses	(5,058		)	(5,732		)
Amortization of actuarial loss and prior service cost	572			921
Total for defined benefit pension plans	1,314			1,114
Multi-employer plans	41			47
SERPs	258			274
Defined contribution plan	2,995			2,793
Net periodic benefit cost	4,608			4,228
Allocated to discontinued operations	—			(203		)
Net periodic benefit cost — continuing operations	$	4,608		$	4,025