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Inventories
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6 Months Ended | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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Jun. 30, 2013
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| Inventory Disclosure [Abstract] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Inventories | INVENTORIES: Inventory components consist of the following:
Inventories are stated at the lower of cost or market. The cost of coal inventories is determined by the first-in, first-out (FIFO) method. Coal inventory costs include labor, supplies, equipment costs, operating overhead, depreciation, depletion and amortization, and other related costs. Merchandise for resale is valued using the last-in, first-out (LIFO) cost method. The excess of replacement cost of merchandise for resale inventories over carrying LIFO value was $18,734 and $19,700 at June 30, 2013 and December 31, 2012, respectively. |
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