Employee Benefit Plans (Tables)

6 Months Ended

Jun. 30, 2013

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)	2013			2012			2013			2012
Service cost	$	17		$	13		$	34		$	26
Interest cost	5,975			6,470			11,951			12,940
Expected return on plan assets, net of expenses	(5,371		)	(5,642		)	(10,742		)	(11,283		)
Amortization of prior service cost	—			1			—			1
Amortization of actuarial loss	1,061			869			2,122			1,739
Total for defined benefit plans	1,682			1,711			3,365			3,423
Multi-employer plans	111			114			231			234
SERP	887			211			1,173			455
Defined contribution plans	2,907			2,693			6,286			5,429
Net periodic benefit cost	$	5,587		$	4,729		$	11,055		$	9,541