Property, Plant and Equipment

12 Months Ended

Dec. 31, 2012

7.	Property, Plant and Equipment


	(In thousands) December 31,
	2012			2011

Land and improvements	$	546,234		$	515,674
Buildings and improvements		899,944			841,179
Machinery and equipment		8,160,140			7,727,630
Construction in process and equipment deposits		832,255			396,614

		10,438,573			9,481,097
Less accumulated depreciation		(6,155,517	)		(5,725,493	)


	$	4,283,056		$	3,755,604

The estimated useful lives range from 5 to 20 years for land improvements, 9 to 31.5 years for buildings and improvements, and 2 to 15 years for machinery and equipment.

- 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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