Employee Benefit Plans (Tables) (Defined Benefit Pension)

9 Months Ended

Sep. 30, 2014

Defined Benefit Pension

Defined Benefit Plan Disclosure [Line Items]

Schedule of Net Benefit Costs

For the three and nine months ended September 30, 2014 and 2013, the components of pension expense are as follows:

	Three months ended September 30						Nine months ended September 30
(Dollars in thousands)	2014			2013			2014			2013
Service cost	$	3,081		$	3,765		$	9,247		$	12,248
Interest cost	6,402			5,460			19,209			17,764
Expected return on assets	(7,296		)	(6,393		)	(23,448		)	(20,798		)
Amortization of prior service cost	53			53			158			158
Amortization of net actuarial loss	769			4,245			3,861			12,738
Total pension expense	$	3,009		$	7,130		$	9,027		$	22,110