Employee Benefit Plans (Tables)

9 Months Ended

Sep. 30, 2015

Compensation and Retirement Disclosure [Abstract]

Schedule Of Defined Benefit Plans Disclosures Text Block

The components of net periodic benefit costs for the three and nine months ended September 30, 2015 and 2014 were as follows (dollars in thousands):

	Pension Benefits						Other Benefits
	Three months ended September 30,						Three months ended September 30,
	2015			2014			2015		2014
Service cost	$	2,307		$	2,195		$	1,868	$	826
Interest cost	1,262			1,367			947		794
Expected return on plan assets	(1,224		)	(1,118		)	—		—
Amortization of prior service cost	82			214			—		—
Amortization of prior actuarial loss	636			489			1,319		361
Net periodic benefit cost	$	3,063		$	3,147		$	4,134	$	1,981

	Pension Benefits						Other Benefits
	Nine months ended September 30,						Nine months ended September 30,
	2015			2014			2015		2014
Service cost	$	6,923		$	6,185		$	3,046	$	1,766
Interest cost	3,788			3,662			1,929		1,471
Expected return on plan assets	(3,673		)	(3,353		)	—		—
Amortization of prior service cost	245			432			—		—
Amortization of prior actuarial loss	1,908			1,407			1,849		795
Net periodic benefit cost	$	9,191		$	8,333		$	6,824	$	4,032