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Property, Plant and Equipment Reconciliation (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Property, Plant and Equipment [Abstract]
Property, plant and equipment additions	$ 124,270	$ 123,935
Net change in related accounts payable and deposits	(11,727)	(2,848)
Purchases of property, plant, and equipment	$ 112,543	$ 121,087

The cash outflow associated with the acquisition of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale; includes cash outflows to pay for construction of self-constructed assets.

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