Employee Benefit Plans

6 Months Ended

Jun. 30, 2013

The components of net periodic benefit costs for the three and six months ended June 30, 2013 and 2012 were as follows (dollars in thousands):



	Pension Benefits						Other Benefits
	Three months ended June 30,						Three months ended June 30,
	2013			2012			2013		2012
Service cost	$	2,129		$	2,196		$	410	$	279
Interest Cost	1,020			1,090			311		258
Expected return on plan assets	(1,100		)	(799		)	—		—
Amortization of prior service cost	213			87			—		—
Amortization of prior actuarial loss	782			1,388			186		89
Net periodic benefit cost	$	3,044		$	3,962		$	907	$	626



	Pension Benefits						Other Benefits
	Six months ended June 30,						Six months ended June 30,
	2013			2012			2013		2012
Service cost	$	4,012		$	3,728		$	820	$	558
Interest Cost	2,038			2,070			623		517
Expected return on plan assets	(1,867		)	(1,533		)	—		—
Amortization of prior service cost	307			186			—		—
Amortization of prior actuarial loss	1,619			1,663			372		177
Net periodic benefit cost	$	6,109		$	6,114		$	1,815	$	1,252

The Company has made pension contributions of $3.4 million during the first six months of 2013 and expects to make total pension contributions of $6.8 million in 2013.