Defined Pension Plans (Tables)

3 Months Ended

Mar. 31, 2015

Defined Pension Plans [Abstract]

Schedule of Net Periodic Pension Costs

	Estimated		Actual
(In thousands)	2015		2014
Service cost – benefits earned during the year	$	3,977	$	3,003
Interest cost on projected benefit obligations		3,217		3,037
Expected return on plan assets		(4,863)		(4,711)
Net amortization		1,605		244
Net periodic pension cost	$	3,936	$	1,573

Schedule of Unfunded Supplemental Executive Retirement Plan

	Estimated		Actual
(In thousands)	2015		2014
Service cost – benefits earned during the year	$	140	$	136
Interest cost on projected benefit obligation		348		377
Net amortization		654		431
Net periodic pension cost	$	1,142	$	944