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Condensed Consolidated Statements Of Operations (Parenthetical) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Condensed Consolidated Statements Of Operations    
Gain on sales of discontinued operations, provision for income taxes$ 0$ 18$ 39$ 18