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NET INCOME PER SHARE (Details)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
NET INCOME PER SHARE [Abstract]        
Other shares excluded from the calculation of diluted earnings per share (in shares) 1.6 0.2 0.8 0.1