Employee Benefit Plans

3 Months Ended

Mar. 31, 2015

Compensation and Retirement Disclosure [Abstract]

Employee Benefit Plans

Note F – Employee Benefit Plans

Net periodic benefit income for the pension plans included the following components for the three months ended March 31:

	Pension Benefits
	2015			2014
	(in thousands)
Service cost	$	2,387		$	1,909
Interest cost		24,612			25,502
Expected return on plan assets		(37,647	)		(36,197	)
Amortization of prior service credit		(141	)		(464	)
Amortization of actuarial loss		9,613			6,595
Net periodic benefit income	$	(1,176	)	$	(2,655	)

Pension benefits also include amounts related to a supplemental retirement plan. During the three months ended March 31, 2015, the Company made a $38.7 million contribution to the pension plan.