Property, Plant And Equipment

12 Months Ended

Dec. 31, 2011

Property, Plant And Equipment [Abstract]

7.	Property, Plant and Equipment


	(In thousands)
	December 31,
	2011			2010

Land and improvements	$	515,674		$	431,765
Buildings and improvements		841,179			834,661
Machinery and equipment		7,727,630			7,502,203
Construction in process and equipment deposits		396,614			323,845


		9,481,097			9,092,474
Less accumulated depreciation		(5,725,493	)		(5,240,356	)


	$	3,755,604		$	3,852,118

The estimated useful lives range from 5 to 10 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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