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EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS - Assumptions Used to Determine Net Periodic Benefit Cost (Details)
12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Pension Plan      
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS      
Discount rate 4.80% 5.05% 2.60%
Expected return on plan assets 5.00% 4.22% 5.00%
Discount rate 5.35% 4.80%  
Other Postretirement Benefits Plan      
EMPLOYEE AND POSTRETIREMENT BENEFIT PLANS      
Discount rate 5.00% 5.25% 3.00%
Discount rate 5.29% 5.00%