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EMPLOYEE RETIREMENT PLANS - Schedule of weighted average asset allocation (Details)
Dec. 31, 2023
Dec. 31, 2022
Asset Category:    
Weighted Average Asset Allocation 100.00% 100.00%
Equity Securities    
Asset Category:    
Weighted Average Asset Allocation 58.00% 57.00%
Fixed Income Securities    
Asset Category:    
Weighted Average Asset Allocation 28.00% 31.00%
Other    
Asset Category:    
Weighted Average Asset Allocation 14.00% 12.00%