Accumulated Other Comprehensive Income (Loss)

12 Months Ended

Dec. 31, 2016

Accumulated Other Comprehensive Income (Loss) [Abstract]

Accumulated Other Comprehensive Income (Loss)

Accumulated Other Comprehensive Income (Loss)

The following items are included in accumulated other comprehensive income (loss):

				Pension,
				Postretirement						Accumulated
				and Other Post-						Other
	Derivative			Employment			Available-for-			Comprehensive
	Instruments			Benefits			Sale Securities			Income (Loss)
	(In thousands)
Predecessor Company
January 1, 2015	$	2,550		$	2,860		$	(2,169	)	$	3,241
Unrealized gains (losses)	3,903			(8,723		)	(3,333		)	(8,153		)
Amounts reclassified from accumulated other comprehensive income (loss)	(6,128		)	5,142			4,083			3,097
December 31, 2015	325			(721		)	(1,419		)	(1,815		)
Unrealized gains (losses)	(138		)	—			701			563
Amounts reclassified from accumulated other comprehensive income (loss)	(316		)	(1,363		)	1,225			(454		)
Fresh start accounting adjustment	129			2,084			(507		)	1,706
October 1, 2016	$	—		$	—		$	—		$	—
Successor Company
Unrealized gains	—			24,067			387			24,454
Amounts reclassified from accumulated other comprehensive income (loss)	—			—			—			—
December 31, 2016	$	—		$	24,067		$	387		$	24,454

The unrealized gain in the successor period is the result of changes in the discount rates used to calculate our pension, postretirement health and occupational disease obligations.

The following amounts were reclassified out of accumulated other comprehensive income (loss) during the respective periods:

Details about accumulated other comprehensive income components	Successor		Predecessor						Line Item in the  Consolidated Statement of Operations
	October 2 through December 31, 2016		January 1 through October 1, 2016			Year Ended December 31, 2015
	(in thousands)		(in thousands)
Derivative instruments	$	—	$	397		$	9,575		Revenues
	—		(81		)	(3,447		)	Provision for (benefit from) income taxes
	$	—	$	316		$	6,128		Net of tax
Pension, postretirement and other post-employment benefits
Amortization of prior service credits 1	$	—	$	7,854		$	8,335
Amortization of net actuarial gains (losses) 1	—		(6,010		)	(16,369		)
	—		1,844			(8,034		)	Total before tax
	—		(481		)	2,892			Provision for (benefit from) income taxes
	$	—	$	1,363		$	(5,142	)	Net of tax
Available-for-sale securities 2	$	—	$	(2,263	)	$	(6,391	)	Interest and investment income
	—		1,038			2,308			Provision for (benefit from) income taxes
	$	—	$	(1,225	)	$	(4,083	)	Net of tax
1 Production-related benefits and workers’ compensation costs are included in costs to produce coal.
2 The gains and losses on sales of available-for-sale-securities are determined on a specific identification basis.