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) - shares
shares in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
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 0.0 0.2 0.0