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Inventories

6 Months Ended

Jun. 30, 2012

Inventories consist of the following:


		June 30,		December 31,
		2012		2011

		(In thousands)
Coal	$	267,600	$	206,517
Repair parts and supplies		178,626		163,527
Work-in-process		8,865		7,446
	$	455,091	$	377,490

The repair parts and supplies are stated net of an allowance for slow-moving and obsolete inventories of $11.3 million at June 30, 2012, and $13.1 million at December 31, 2011.

- Definition

The entire disclosure for inventory. This may include, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the major classes of inventory, and the nature of the cost elements included in inventory. If inventory is stated above cost, accrued net losses on firm purchase commitments for inventory and losses resulting from valuing inventory at the lower-of-cost-or-market may also be included. For LIFO inventory, may disclose the amount and basis for determining the excess of replacement or current cost over stated LIFO value and the effects of a LIFO quantities liquidation that impacts net income.

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