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Inventories
9 Months Ended
Sep. 30, 2014
Inventory Disclosure [Abstract]  
Inventories
Inventories

Inventories are summarized as follows:

 
SEPTEMBER 30
2014
 
DECEMBER 31
2013
 
SEPTEMBER 30
2013
Coal - NACoal
$
25,749

 
$
24,710

 
$
21,048

Mining supplies - NACoal
18,641

 
17,406

 
17,131

Total inventories at weighted average cost
44,390

 
42,116

 
38,179

Sourced inventories - HBB
130,012

 
90,713

 
112,250

Retail inventories - KC
46,205

 
51,616

 
56,920

Total inventories at FIFO
176,217

 
142,329

 
169,170

 
$
220,607

 
$
184,445

 
$
207,349