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Condensed Consolidated Statements of Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Tax portion of revenues and cost of goods sold $ 130,967 $ 142,934 $ 252,892 $ 270,568