Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2017

Compensation and Retirement Disclosure [Abstract]

Components of benefit expense

The components of the expense consisted of the following:

	Three Months Ended   March 31,
(in thousands)	2017			2016
Interest cost	$	6,486		$	6,770
Expected return on plan assets, net of expenses	(4,360		)	(4,597		)
Amortization of actuarial loss	1,084			998
Total for defined benefit plans	3,210			3,171
Multi-employer plans	74			43
SERPs	257			279
Defined contribution plan	2,904			2,188
Net periodic benefit cost	$	6,445		$	5,681