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STOCK-BASED COMPENSATION (Tables)
9 Months Ended
Sep. 30, 2017
Share-based Compensation [Abstract]  
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions
The following assumptions were used to determine the weighted average fair value of options granted and/or modified during the first nine months of 2017 (inclusive of those discussed above):
 
Nine Months Ended
 
September 30,
2017
Assumptions used in Black-Scholes pricing model:
 
Expected dividend yield
1.73
%
Risk-free interest rate
1.62
%
Expected life
4.5 years

Expected volatility
19.75
%
Fair value per share of options granted
$
6.19