Property, Plant and Equipment

12 Months Ended

Dec. 31, 2011

5. Property, Plant and Equipment

Property, plant and equipment consist of the following:

(In thousands)	Estimated Useful Lives	2011			2010

Land	—	$	26,729		$	29,456
Land improvements	5-20 years		17,960			18,141
Buildings and improvements	5-40 years		186,799			196,777
Machinery and equipment	3-20 years		2,977,521			3,045,335
Uncompleted construction	—		66,719			74,873

Gross property, plant and equipment			3,275,728			3,364,582
Less accumulated depreciation			(2,001,244	)		(1,997,609	)

Net property, plant and equipment		$	1,274,484		$	1,366,973

Buildings and improvements include leasehold improvements which are amortized over the shorter of their useful lives or the initial lease term of the lease.

- 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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