Coal Workers' Pneumoconiosis and Workers' Compensation (Tables)

12 Months Ended

Dec. 31, 2019

The reconciliation of changes in the benefit obligation, plan assets and funded status of these plans at December 31, 2019 and 2018 is as follows:



	Pension Benefits						Other Postretirement Benefits
	at December 31,						at December 31,
	2019			2018			2019			2018
Change in benefit obligation:
Benefit obligation at beginning of period	$	644,142		$	733,990		$	473,591		$	591,563
Service cost	3,950			1,150			—			—
Interest cost	25,101			23,505			18,320			18,706
Actuarial loss (gain)	95,078			(60,351		)	4,761			(101,259		)
Benefits and other payments	(48,173		)	(54,152		)	(32,343		)	(35,419		)
Benefit obligation at end of period	$	720,098		$	644,142		$	464,329		$	473,591

Change in plan assets:
Fair value of plan assets at beginning of period	$	578,347		$	679,245		$	—		$	—
Actual return on plan assets	136,976			(48,470		)	—			—
Company contributions	1,331			1,724			32,343			35,419
Benefits and other payments	(48,173		)	(54,152		)	(32,343		)	(35,419		)
Fair value of plan assets at end of period	$	668,481		$	578,347		$	—		$	—

Funded status:
Current liabilities	$	(1,687	)	$	(1,623	)	$	(31,833	)	$	(32,345	)
Noncurrent liabilities	(49,930		)	(64,172		)	(432,496		)	(441,246		)
Net obligation recognized	$	(51,617	)	$	(65,795	)	$	(464,329	)	$	(473,591	)

Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial loss	$	255,830		$	263,229		$	179,937		$	184,438
Prior service credit	—			(367		)	(20,949		)	(23,354		)
Net amount recognized (before tax effect)	$	255,830		$	262,862		$	158,988		$	161,084

The reconciliation of changes in the benefit obligation and funded status of these plans at December 31, 2019 and 2018 is as follows:



	CWP						Workers' Compensation
	at December 31,						at December 31,
	2019			2018			2019			2018
Change in benefit obligation:
Benefit obligation at beginning of period	$	177,188		$	162,840		$	70,986		$	78,528
State administrative fees and insurance bond premiums	—			—			2,157			2,671
Service cost	3,791			6,650			5,685			6,230
Interest cost	7,001			5,245			2,585			2,283
Actuarial loss (gain)	39,827			14,832			1,536			(5,134		)
Benefits paid	(13,334		)	(12,379		)	(11,469		)	(13,592		)
Benefit obligation at end of period	$	214,473		$	177,188		$	71,480		$	70,986

Funded status:
Current assets	$	—		$	—		$	1,037		$	1,384
Current liabilities	(12,331		)	(12,187		)	(11,323		)	(12,628		)
Noncurrent liabilities	(202,142		)	(165,001		)	(61,194		)	(59,742		)
Net obligation recognized	$	(214,473	)	$	(177,188	)	$	(71,480	)	$	(70,986	)

Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial loss (gain)	$	47,352		$	8,542		$	(11,250	)	$	(13,561	)
Net amount recognized (before tax effect)	$	47,352		$	8,542		$	(11,250	)	$	(13,561	)

The components of net periodic benefit (credit) cost are as follows:



	Pension Benefits									Other Postretirement Benefits
	For the Years Ended December 31,									For the Years Ended December 31,
	2019			2018			2017			2019			2018			2017
Components of net periodic benefit (credit) cost:
Service cost	$	3,950		$	1,150		$	2,948		$	—		$	—		$	—
Interest cost	25,101			23,505			25,265			18,320			18,706			23,945
Expected return on plan assets	(40,457		)	(40,370		)	(42,383		)	—			—			—
Amortization of prior service credits	(367		)	(502		)	(502		)	(2,405		)	(2,405		)	(2,405		)
Recognized net actuarial loss	5,958			8,715			8,896			9,262			16,205			23,112
Settlement loss	—			—			10,153			—			—			—
Net periodic benefit (credit) cost	$	(5,815	)	$	(7,502	)	$	4,377		$	25,177		$	32,506		$	44,652

The components of net periodic benefit cost are as follows:



	CWP								Workers’ Compensation
	For the Years Ended								For the Years Ended
	December 31,								December 31,
	2019		2018			2017			2019			2018			2017
Service cost	$	3,791	$	6,650		$	5,122		$	5,685		$	6,230		$	5,734
Interest cost	7,001		5,245			4,050			2,585			2,283			2,321
Recognized net actuarial loss (gain)	1,016		(853		)	(7,631		)	(774		)	(79		)	(598		)
State administrative fees and insurance bond premiums	—		—			—			2,157			2,671			3,198
Net periodic benefit cost	$	11,808	$	11,042		$	1,541		$	9,653		$	11,105		$	10,655

Amounts included in accumulated other comprehensive loss which are expected to be recognized in 2020 net periodic benefit costs:



			Other
	Pension		Postretirement
	Benefits		Benefits
Prior service credit recognition	$	—	$	(2,405	)
Actuarial loss recognition	$	6,922	$	9,278

The following are amounts included in accumulated other comprehensive loss that are expected to be recognized in 2020 net periodic benefit costs:



			Workers'
	CWP		Compensation
	Benefits		Benefits
Actuarial loss (gain) recognition	$	5,604	$	(487	)

The weighted-average assumptions used to determine benefit obligations are as follows:



	Pension Obligations				Other Postretirement Obligations
	at December 31,				at December 31,
	2019		2018		2019		2018
Discount rate	3.28	%	4.34	%	3.27	%	4.34	%
Rate of compensation increase	3.68	%	3.73	%	—		—

The weighted-average assumptions used to determine net periodic benefit costs are as follows:



	Pension Benefits						Other Postretirement Benefits
	For the Years Ended						For the Years Ended
	December 31,						December 31,
	2019		2018		2017		2019		2018		2017
Discount rate	4.37	%	3.69	%	4.27	%	4.34	%	3.65	%	4.22	%
Expected long-term return on plan assets	6.90	%	6.90	%	6.90	%	—		—		—
Rate of compensation increase	3.73	%	3.73	%	3.90	%	—		—		—

The weighted-average discount rates used to determine benefit obligations and net periodic benefit costs are as follows:

The following benefit payments, reflecting expected future service, are expected to be paid:

The following benefit payments, which reflect expected future claims as appropriate, are expected to be paid: