Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2013

Pension Benefits

Employee Benefit Plans

Schedule of components of benefit costs

The following provides the components of benefit costs for the three and nine months ended September 30, 2013 and 2012 (dollars in thousands):

	Three Months Ended						Nine Months Ended
	September 30,						September 30,
	2013			2012			2013			2012
Service cost (benefit)	$	—		$	(50	)	$	—		$	1,488
Interest cost	2,055			2,557			6,166			7,493
Expected asset return	(2,934		)	(2,890		)	(8,804		)	(8,601		)
Amortization of loss	148			131			444			373
Net periodic benefit cost	$	(731	)	$	(252	)	$	(2,194	)	$	753

Other Postretirement Benefits

Employee Benefit Plans

Schedule of components of benefit costs

The following provides the components of benefit costs for the three and nine months ended September 30, 2013 and 2012 (dollars in thousands):

	Three Months Ended				Nine Months Ended
	September 30,				September 30,
	2013		2012		2013		2012
Service cost	$	277	$	221	$	832	$	724
Interest cost	516		576		1,548		1,772
Amortization of loss	74		7		223		88
Net periodic benefit cost	$	867	$	804	$	2,603	$	2,584