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Reportable Segments and Geographic Information (Details 2) (USD $) In Thousands, unless otherwise specified	3 Months Ended								12 Months Ended
	Dec. 31, 2011	Sep. 30, 2011	Jun. 30, 2011	Mar. 31, 2011	Dec. 31, 2010	Sep. 30, 2010	Jun. 30, 2010	Mar. 31, 2010	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Summary of geographic data
Revenue from external customers	$ 702,941	$ 704,478	$ 657,572	$ 618,479	$ 615,780	$ 625,623	$ 643,822	$ 576,308	$ 2,683,470	$ 2,461,533	$ 2,715,601
Property, plant and equipment, net	3,004,452				3,092,652				3,004,452	3,092,652	3,404,354
US [Member]
Summary of geographic data
Revenue from external customers									1,453,758	1,090,096	1,332,641
Property, plant and equipment, net	1,993,082				1,985,180				1,993,082	1,985,180	2,278,172
International [Member]
Summary of geographic data
Revenue from external customers									1,229,712	1,371,437	1,382,960
Property, plant and equipment, net	$ 1,011,370				$ 1,107,472				$ 1,011,370	$ 1,107,472	$ 1,126,182

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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