Retirement Benefits

3 Months Ended

Mar. 31, 2014

18. RETIREMENT BENEFITS

The Company maintains both qualified and non-qualified defined benefit pension plans and a retiree health plan for its U.S. employees employed prior to April 1, 2010.

Net periodic benefit cost for U.S. employees included the following components for the periods indicated:


Pension Benefits	Three Months Ended
	March 31,
(Dollars in thousands)	2014			2013
Service cost	$	2,460		$	2,729
Interest cost		2,542			2,074
Expected return on plan assets		(2,823	)		(2,122	)
Amortization of prior service cost		13			13
Amortization of net (income) loss		1,091			1,904
Net periodic benefit cost	$	3,283		$	4,598
Other Benefits	Three Months Ended
	March 31,
(Dollars in thousands)	2014			2013
Service cost	$	407		$	499
Interest cost		342			277
Amortization of net (income) loss		82			154
Net periodic benefit cost	$	831		$	930

The Company did not make any contributions to the qualified pension benefit plan for the three months ended March 31, 2014 and 2013.