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Consolidated Statements of Operations (Unaudited) (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2014
Jun. 30, 2013
Jun. 30, 2014
Jun. 30, 2013
Income Statement [Abstract]        
Income tax provision on equity in earnings of affiliates $ 654 $ 414 $ 1,203 $ 894
Income tax provision (benefit) on income (loss) from discontinued operations $ 0 $ (7,805) $ 4,753 $ 1,819