Commitments and Contingencies (Tables)

6 Months Ended

Jun. 30, 2013

Schedule of outstanding purchase commitments

We had outstanding purchase commitments consisting of (in thousands):

	June 30,		December 31,
	2013		2012
Capital commitments
Equipment	$	12,636	$	20,317
Land	23,700		23,700

Supplies and services
Coal purchase commitments	$	21,143	$	28,633
Transportation agreements	229,307		159,398
Materials and supplies	24,561		24,552

- Definition

Tabular disclosure of unconditional purchase obligations that are not recognized as a liability on the balance sheet, including the nature and significant terms of an unconditional purchase obligation; the amount of the fixed and determinable portion of the obligation as of the date of the latest balance sheet presented in the aggregate and, if determinable, for each of the five succeeding fiscal years; the nature of any variable components of the obligation; the amount purchased under the obligation (for example, the take-or-pay or throughput contract) for the reporting period; and may include the amount of imputed interest necessary to reduce the obligation to present value.

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