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INCOME TAXES
6 Months Ended
Jun. 30, 2011
INCOME TAXES [Abstract]  
INCOME TAXES
6.             INCOME TAXES
 
The effective tax rate for the three months ended June 30, 2011 and 2010 was 40.3% and 39.9%, respectively, and for the six months ended June 30, 2011 and 2010 was 40.4% and 40.0%, respectively.