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Statements of Consolidated Operations (Parenthetical) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2013
Dec. 31, 2012
Dec. 31, 2011
Income Statement [Abstract]      
Earnings from unconsolidated companies, tax (benefit)/provision $ 1,691 $ 5,771 $ 2,270
Discontinued operations, tax (benefit)/provision $ (3,911) $ 1,618 $ (3,166)