Defined Pension Plans (Tables)

6 Months Ended

Jun. 30, 2016

Compensation and Retirement Disclosure [Abstract]

Schedule of Net Periodic Pension Costs

The following table represents the components of the net periodic pension costs for 2015 and an estimate for 2016:

	Estimated			Actual
(In thousands)	2016			2015
Service cost – benefits earned during the year	$	3,527		$	3,796
Interest cost on projected benefit obligations		3,480			3,178
Expected return on plan assets		(4,734	)		(4,864	)
Net amortization and deferral		1,200			1,542
Net periodic pension cost	$	3,473		$	3,652

Schedule of Unfunded Supplemental Executive Retirement Plan

The following table represents the components of the net periodic pension costs for 2015 and an estimate for 2016:

	Estimated		Actual
(In thousands)	2016		2015
Service cost – benefits earned during the year	$	133	$	140
Interest cost on projected benefit obligation		367		348
Net amortization		295		654
Net periodic pension cost	$	795	$	1,142