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UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF INCOME (Parenthetical) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
UNAUDITED CONDENSED CONSOLIDATED STATEMENTS OF INCOME    
Earnings (loss) from discontinued operations tax (expenses) benefit$ 392$ 109$ 436$ (41)