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EARNINGS PER COMMON SHARE Additional Information (Detail)
In Millions, unless otherwise specified
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
Disclosure - Earnings per Common Share - Additional Information [Abstract]        
Antidilutive common stock options not included in the computation of diluted earnings per common share (in shares) 3.8   4.1  
Antidilutive shares of common stock outstanding (in shares)   3.0   3.4