Employee Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2014

Pension Plans

Defined Benefit Plan Disclosure

Schedule of Net Benefit Costs

The components of net periodic benefit cost for the Company’s two defined benefit non-contributory pension plans and certain non-qualified supplemental pension plans were as follows:

	Three months ended March 31,
(in thousands)	2014			2013
Components of net periodic benefit cost:
Service cost	$	3,003		$	3,602
Interest cost	2,575			2,718
Expected long-term return on assets	(2,848		)	(3,713		)
Actuarial loss amortization	2,256			3,690
Prior service cost amortization	118			122
Settlement charge	7,262			144
Net periodic expense	$	12,366		$	6,563

Postretirement Benefit Plans

Defined Benefit Plan Disclosure

Schedule of Net Benefit Costs

The components of net periodic benefit cost for the Company’s postretirement benefit plans were as follows:

	Three months ended March 31,
(in thousands)	2014			2013
Components of net periodic benefit cost:
Service cost	$	170		$	444
Interest cost	754			869
Expected long-term return on assets	(1,412		)	(1,242		)
Actuarial gain amortization	(520		)	—
Transition obligation amortization	27			324
Net periodic (income) expense	$	(981	)	$	395