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Supplemental Cash Flows Information Supplemental Cash Flows Information (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Noncash Investing and Financing Items [Abstract]
Property, plant and equipment acquired with accrued liabilities	$ 4,953	$ 1,417
Interest and Income Taxes Paid Net [Abstract]
Interest Paid, (net of amounts capitalized)	(3,098)	(2,318)
Income taxes (paid) refunded, net	$ 0	$ (150)

The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.

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- Definition

The amount of cash paid for interest during the period net of cash paid for interest that is capitalized.

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