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STOCK-BASED COMPENSATION PLANS - Summary of assumptions used (Details) - Stock appreciation rights
9 Months Ended 12 Months Ended
Sep. 30, 2023
Dec. 31, 2022
STOCK-BASED COMPENSATION PLANS    
Risk-free interest rate 4.60% 3.95%
Expected volatility 37.29% 36.54%
Expected life (in years) 5 years 10 months 24 days 6 years 8 months 12 days
Expected dividend yield 3.73% 3.27%