Mineral Interests and Property, Plant and Equipment

12 Months Ended

Dec. 31, 2013

Mineral Interests and Property, Plant and Equipment

Mineral Interests and Property, Plant and Equipment

NOTE 10—Mineral Interests and Property, Plant and Equipment

Mineral interests totaled $3,146.0 million and $3,145.2 million as of December 31, 2013 and 2012, respectively. Accumulated amortization totaled $241.0 million and $179.6 million as of December 31, 2013 and 2012, respectively.

Property, plant and equipment are summarized as follows (in thousands):

	December 31,

	2013			2012
Land	$	79,733		$	87,088
Land improvements		43,107			19,949
Buildings and leasehold improvements		420,142			362,296
Mine development costs		255,680			270,768
Machinery and equipment		1,569,318			1,402,417
Gas properties and related development		188,527			223,200
Construction in progress		61,933			163,096


Total		2,618,440			2,528,814
Less: Accumulated depreciation		(980,888	)		(796,683	)


Net	$	1,637,552		$	1,732,131

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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