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Property, Plant And Equipment (Details) (USD $)
In Thousands, unless otherwise specified |
3 Months Ended | ||
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Mar. 31, 2012
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Mar. 31, 2011
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Dec. 31, 2011
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| Property, Plant And Equipment [Abstract] | |||
| Property, plant and equipment | $ 1,263,556 | $ 1,232,066 | |
| Depreciation expense on property, plant and equipment | $ 30,171 | $ 27,307 | |
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- Definition
The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Details
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