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STOCK INCENTIVE PLANS - Fair Value of Options (Details) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
STOCK INCENTIVE PLANS [Abstract]      
Weighted average fair value of options granted (in dollars per share) $ 44.94 $ 46.67 $ 53.43
Risk-free interest rate (in hundredths) 1.40% 1.50% 2.00%
Expected life (in years) 6 years 6 years 6 years
Expected volatility (in hundredths) 24.50% 24.90% 25.00%
Expected dividend yield (in hundredths) 2.00% 1.90% 1.70%