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SHARE-BASED COMPENSATION PLANS - Weighted Average Assumptions, Options Granted (Details) - Equity Options
12 Months Ended
Dec. 31, 2019
$ / shares
Weighted-average assumptions used for options granted  
Expected dividends 3.70%
Expected volatility 31.40%
Risk-free rate 2.40%
Expected term in years 4 years 4 months 24 days
Grant-date fair value (in dollars per share) $ 11.74