Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of benefit expense

The components of the expense consisted of the following:

	Three Months Ended   June 30,						Six Months Ended   June 30,
(in thousands)	2014			2013			2014			2013
Service cost	$	22		$	17		$	43		$	34
Interest cost	6,277			5,975			12,555			11,951
Expected return on plan assets, net of expenses	(5,859		)	(5,371		)	(11,718		)	(10,742		)
Amortization of actuarial loss	641			1,061			1,283			2,122
Total for defined benefit plans	1,081			1,682			2,163			3,365
Multi-employer plans	105			111			224			231
Withdrawal from GCIU multi-employer plan	4,100			—			4,100			—
SERP	296			887			592			1,173
Defined contribution plans	3,056			2,907			6,216			6,286
Net periodic benefit cost	$	8,638		$	5,587		$	13,295		$	11,055