XML 52 R34.htm IDEA: XBRL DOCUMENT v3.21.1
SHARE-BASED COMPENSATION AWARDS SHARE-BASED COMPENSATION AWARDS (Tables)
3 Months Ended
Mar. 31, 2021
Share-based Payment Arrangement [Abstract]  
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
The assumptions used in the determination of fair value for stock options granted in first quarter 2021 and 2020 are provided in the table below:
First Quarter
Assumptions20212020
Expected volatility rate28.99%21.56%
Expected dividend yield3.58%3.30%
Average risk-free interest rate0.95%0.94%
Expected term years6.05.9