Inventories (Tables)

9 Months Ended

Sep. 30, 2015

Inventory Disclosure [Abstract]

Schedule of Inventory

Inventories are summarized as follows:

	SEPTEMBER 30 2015		DECEMBER 31 2014		SEPTEMBER 30 2014
Coal - NACoal	$	20,565	$	29,576	$	25,749
Mining supplies - NACoal	21,083		19,774		18,641
Total inventories at weighted average cost	41,648		49,350		44,390
Sourced inventories - HBB	151,663		104,746		130,012
Retail inventories - KC	40,903		36,286		46,205
Total inventories at FIFO	192,566		141,032		176,217
	$	234,214	$	190,382	$	220,607