Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2013

Benefit Plans [Abstract]

Components of net periodic benefit cost

The following table provides the components of net periodic benefit cost for the pension, supplemental executive retirement and other postretirement benefit plans:

	Three Months Ended March 31,
	Pension and Supplemental						Other Postretirement
	Executive Retirement Plans						Benefits
	2013			2012			2013			2012
	(In thousands)
Service cost	$	2,717		$	2,390		$	194		$	309
Interest cost		3,799			4,106			154			292
Expected return on plan assets		(5,038	)		(4,516	)		(920	)		(790	)
Recognized net actuarial loss		1,516			1,478			-			210
Amortization of prior service cost		125			161			(1,663	)		(1,554	)
Net periodic benefit cost	$	3,119		$	3,619		$	(2,235	)	$	(1,533	)