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Consolidated Statements Of Earnings (Parenthetical) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Consolidated Statements Of Earnings    
Gain on discontinued operations, related tax expense (benefit)$ 138$ (37)$ 121$ 12