Annual report pursuant to Section 13 and 15(d)

STOCK-BASED COMPENSATION (Assumptions Used to Estimate Fair Value of Stock Options Granted) (Detail)

v3.3.1.900
STOCK-BASED COMPENSATION (Assumptions Used to Estimate Fair Value of Stock Options Granted) (Detail) - $ / shares
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Dividend yield 1.20% 1.40% 1.50%
Expected volatility 21.20% 21.10% 25.80%
Risk-free interest rate 1.30% 1.60% 1.30%
Expected term (in years) 4 years 9 months 18 days 4 years 9 months 18 days 4 years 10 months 24 days
Weighted-average fair value of stock options granted $ 16.75 $ 12.63 $ 11.95