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Statements of Condensed Consolidated Operations (Parenthetical) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Statements of Condensed Consolidated Operations    
Earnings from unconsolidated companies, tax$ 985$ 538$ 1,422$ 1,100
(Losses)/earnings from discontinued operations, tax provision/(benefit)$ 795$ (1,684)$ 795$ (1,684)