Components of Accumulated Other Comprehensive Loss (Tables)

3 Months Ended

Mar. 31, 2018

Equity [Abstract]

Changes in Accumulated Other Comprehensive Loss

The following table details the changes in our accumulated other comprehensive loss (AOCL) on our Condensed Consolidated Balance Sheets for the three months ended March 31, 2018, net of tax.

(Dollars in thousands)	Gains and losses on cash flow hedge			Pension Plans			OPEB			Total
Balance at December 31, 2017	$	(705	)	$	100,611		$	(5,055	)	$	94,851
Amounts arising during the period		992			(3,105	)		1,380			(733	)
Amounts reclassified from AOCL to interest expense		(2	)		—			—			(2	)
Amounts reclassified from AOCL to accumulated deficit		(150	)		23,787			(372	)		23,265
Net change		840			20,682			1,008			22,530
Balance at March 31, 2018	$	135		$	121,293		$	(4,047	)	$	117,381