Employee Benefit Plans

9 Months Ended

Sep. 30, 2012

Employee Benefit Plans

Note G—Employee Benefit Plans

Net periodic benefit cost included the following components for the three months ended September 30:

	Pension Benefits						Other Post-retirement Benefits
	2012			2011			2012			2011
	(in thousands)
Service cost	$	3,801		$	3,440		$	—		$	—
Interest cost		25,030			24,807			66			123
Expected return on plan assets		(32,098	)		(30,918	)		—			—
Amortization of prior service credit		(1,749	)		(1,720	)		(232	)		(168	)
Amortization of actuarial loss		17,314			14,417			307			415
Net periodic benefit cost	$	12,298		$	10,026		$	141		$	370

Net periodic benefit cost included the following components for the nine months ended September 30:

	Pension Benefits						Other Post-retirement Benefits
	2012			2011			2012			2011
	(in thousands)
Service cost	$	11,452		$	9,822		$	—		$	—
Interest cost		75,299			72,948			200			356
Expected return on plan assets		(96,260	)		(93,044	)		—			—
Amortization of prior service credit		(5,241	)		(5,223	)		(698	)		(698	)
Amortization of actuarial loss		52,809			39,766			941			1,282
Net periodic benefit cost	$	38,059		$	24,269		$	443		$	940

Pension benefits also include amounts related to a supplemental retirement plan. During the nine months ended September 30, 2012, the Company did not make a contribution to the pension plan.