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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Property, plant, or equipment held under lease agreements classified as an asset.

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- Definition

The total charge for the use of long-lived depreciable assets subject to a lease meeting the criteria for capitalization.

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- Definition

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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PROPERTY, PLANT AND EQUIPMENT (Details) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012	Dec. 31, 2011	Jun. 30, 2011	Dec. 31, 2010
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 446,095	$ 447,087
Accumulated Depreciation	(247,783)	(229,720)
Total net book value	198,312	217,367	258,968	250,902
Capital Leased Assets, Gross	7,546	7,654
Accumulated Depreciation	(2,295)	(2,720)
Net book value	5,251	4,934
Land and buildings [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	154,193	160,183
Capital Leased Assets, Gross	4,386	4,508
Machinery, fixtures and equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	199,414	197,047
Capital Leased Assets, Gross	3,160	3,146
Other equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	34,261	31,970
Software licenses [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	42,447	39,993
Construction in progress [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 15,780	$ 17,894