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Share-Based Compensation (Tables)
9 Months Ended
Sep. 30, 2020
Share-based Payment Arrangement [Abstract]  
Fair Valuation Assumptions for Stock Options
The weighted average assumptions used to determine the fair value of stock options granted for the nine months ended September 30, 2020, is as follows:

Risk-free interest rates1.4 %
Expected volatility41.3 %
Expected dividend yield3.9 %
Expected life (in years)6.2
Exercise price$19.67