INVENTORIES (Tables)

3 Months Ended

12 Months Ended

Mar. 31, 2014

Dec. 31, 2013

Inventory Disclosure [Abstract]

Inventories

Inventories consisted of the following:

	March 31, 2014			December 31, 2013
	(In thousands)
Coal stockpiles	$	1,189		$	543
Coal fuel inventories	1,844			6,161
Materials and supplies	33,189			34,233
Reserve for obsolete inventory	(775		)	(965		)
Total	$	35,447		$	39,972

Inventories consisted of the following:

	December 31,
	2013			2012
	(In thousands)
Coal stockpiles	$	543		$	989
Coal fuel inventories	6,161			3,048
Materials and supplies	34,233			34,954
Reserve for obsolete inventory	(965		)	(1,257		)
Total	$	39,972		$	37,734