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SHARE-BASED COMPENSATION AWARDS SHARE-BASED COMPENSATION AWARDS (Tables)
3 Months Ended
Mar. 31, 2019
Share-based Compensation Awards [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] The assumptions used in the determination of fair value for stock options granted in first quarter 2019 and 2018 are provided in the table below:
 
 
First Quarter
Assumptions
 
2019
 
2018
Expected volatility rate
 
19.61%
 
19.03%
Expected dividend yield
 
2.41%
 
2.48%
Average risk-free interest rate
 
2.56%
 
2.61%
Expected term years
 
5.7
 
5.1