Employee Benefit Plans

3 Months Ended

Mar. 31, 2014

Pension and Other Postretirement Benefit Expense [Abstract]

Employee Benefit Plans

Employee Benefit Plans

The following table details the components of pension benefit costs (credits):

	Three Months Ended March 31,
	2014			2013
	(In thousands)
Service cost	$	5,924		$	7,700
Interest cost	4,364			3,926
Expected return on plan assets	(5,978		)	(5,806		)
Amortization of prior service costs (credits)	(54		)	(158		)
Amortization of other actuarial losses	948			4,551
Net benefit cost	$	5,204		$	10,213

The following table details the components of other postretirement benefit costs (credits):

	Three Months Ended March 31,
	2014			2013
	(In thousands)
Service cost	$	444		$	556
Interest cost	464			431
Amortization of prior service credits	(2,501		)	(2,750		)
Amortization of other actuarial losses (gains)	(170		)	77
Net benefit credit	$	(1,763	)	$	(1,686	)