Property, Plant And Equipment (Schedule For Major Classes Of Property, Plant And Equipment, At Cost) (Details) (USD $) In Thousands, unless otherwise specified	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Property, Plant And Equipment [Abstract]
Land, buildings and leasehold improvements	$ 189,817	$ 217,342
Machinery and equipment	285,771	351,261
Computer equipment and software	64,076	80,632
Construction in progress	26,390	16,489
Property, plant and equipment, gross	566,054	665,724
Less: Accumulated depreciation	(314,142)	(378,019)
Property, plant and equipment, net	$ 251,912	$ 287,705	$ 317,499

The cumulative amount of depreciation, depletion and amortization (related to property, plant and equipment, but not including land) that has been recognized in the income statement.

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Gross amount, at the balance sheet date, of long-lived physical assets used in the normal conduct of business and not intended for resale. This can 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.

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- Definition

Tangible assets that are held by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. 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.

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