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Benefit Plans (Tables)

3 Months Ended

Mar. 31, 2019

Pension Costs

Defined Benefit Plan Disclosure [Line Items]

Schedule Of Benefit Plans

The components of our consolidated net pension costs are set forth in the following table:

	For the Three Months Ended March 31,
	2019				2018
	(Dollars in thousands)
Service cost	$	575			$	498
Interest cost	1,316				1,241
Expected return on plan assets	(1,338		)		(1,502		)
Net cost	$	553			$	237

Postretirement Costs

Defined Benefit Plan Disclosure [Line Items]

Schedule Of Benefit Plans

The components of our consolidated net postretirement costs are set forth in the following table: 

	For the Three Months Ended March 31,
	2019				2018
	(Dollars in thousands)
Interest cost	242				251
Net cost	$	242			$	251

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