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STOCKHOLDERS' EQUITY (Tables)
3 Months Ended
Mar. 31, 2020
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The weighted-average Black-Scholes assumptions used in establishing the fair value of stock options granted during the period, along with weighted-average grant date fair values, were as follows:
Three months ended
March 31,
20202019
Expected volatility26 %19 %
Expected life (in years)5.55.5
Risk-free interest rate0.6 %2.6 %
Dividend yield1.2 %1.0 %
Fair value per stock option$16  $15