Components of Accumulated Other Comprehensive Loss

12 Months Ended

Dec. 31, 2019

Equity [Abstract]

Components of Accumulated Other Comprehensive Loss

NOTE 20. COMPONENTS OF ACCUMULATED OTHER COMPREHENSIVE LOSS

The following tables detail the changes in our Accumulated Other Comprehensive Loss (AOCL) on our Consolidated Balance Sheets for the years ended December 31, 2019 and 2018, net of tax.

				Pension Plans						OPEB
(in thousands)	Gains and losses on cash flow hedging			Actuarial Loss			Prior Service Cost			Actuarial Loss			Prior Service Credit			Total
Balance, December 31, 2017	$	(705	)	$	100,165		$	446		$	7,491		$	(12,546	)	$	94,851
Net loss (gain) arising during the period		3,062			17,268			—			(1,554	)		—			18,776
Amounts reclassified from AOCL to earnings		(647	)		(12,276	)		(137	)		(970	)		6,569			(7,461	)
Amounts reclassified from AOCL to accumulated deficit1		(150	)		23,692			95			2,302			(2,674	)		23,265
Balance, December 31, 2018		1,560			128,849			404			7,269			(8,651	)		129,431
Net loss (gain) arising during the period		19,824			(2,081	)		—			5,917			—			23,660
Amounts reclassified from AOCL to earnings		(1,384	)		(9,988	)		(156	)		(749	)		6,545			(5,732	)
Balance, December 31, 2019	$	20,000		$	116,780		$	248		$	12,437		$	(2,106	)	$	147,359

¹ Reclassifications between AOCL and accumulated deficit during 2018 relate to certain tax effects of tax law changes on pension and other postretirement employee benefits and a cash flow hedge upon adoption of ASU 2018-02 during 2018.

See Note 15: Derivative Instruments and Note 19: Savings Plans, Pension and Other Postretirement Employee Benefits for additional information.