Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2014

Compensation and Retirement Disclosure [Abstract]

Components of benefit expense

The components of the expense consisted of the following:

	Three Months Ended   September 30,						Nine Months Ended   September 30,
(in thousands)	2014			2013			2014			2013
Service cost	$	21		$	17		$	64		$	51
Interest cost	6,600			5,976			19,155			17,927
Expected return on plan assets, net of expenses	(5,893		)	(5,371		)	(17,611		)	(16,113		)
Amortization of actuarial loss	862			1,060			2,145			3,182
Total for defined benefit plans	1,590			1,682			3,753			5,047
Multi-employer plans	100			95			324			326
Withdrawal from GCIU multi-employer plan	—			—			4,100			—
SERP	80			808			672			1,981
Defined contribution plans	2,419			2,341			8,635			8,627
Net periodic benefit cost	$	4,189		$	4,926		$	17,484		$	15,981