Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE - Additional Information (Detail)

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EARNINGS PER SHARE - Additional Information (Detail)
In Millions, unless otherwise specified
3 Months Ended 9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
Sep. 30, 2013
Sep. 30, 2012
Earnings Per Share [Abstract]        
Shares excluded from diluted earnings per share that may be issued upon the exercise of employee stock options because such effect would be antidilutive 0 2.6 0.1 2.6