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NET INCOME PER SHARE - Additional Information (Detail)
In Millions, unless otherwise specified
3 Months Ended
Mar. 31, 2015
Mar. 31, 2014
Earnings Per Share [Abstract]    
Share-based compensation awards excluded from computation of diluted net income per share 1.9us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount 2.9us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount