HERITAGE HEALTH BENEFIT EXPENSES (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2014

Dec. 31, 2013

Heritage Health Benefit Expenses [Abstract]

Components of costs of benefits to former mining operation employees

The components of these expenses are as follows:

	Three Months Ended March 31,
	2014		2013
	(In thousands)
Health care benefits	$	2,276	$	3,176
Combined benefit fund payments	512		576
Workers’ compensation benefits	136		116
Black lung benefits	620		83
Total	$	3,544	$	3,951

The components of these expenses are as follows:

	Years Ended December 31,
	2013			2012			2011
	(In thousands)
Health care benefits	$	12,579		$	11,367		$	9,507
Combined benefit fund payments	2,240			2,258			2,617
Workers’ compensation benefits (credit)	(1,212		)	(1,322		)	2,132
Black lung benefits (credit)	(189		)	1,085			4,319
Total	$	13,418		$	13,388		$	18,575