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BENEFIT PLANS - Narrative (Details)
$ in Millions
 6 Months Ended
Jun. 30, 2024
USD ($)
plan
yr
Jun. 30, 2023
USD ($)
Retirement Benefits [Abstract]    
Number of funded, noncontributory defined benefit pension plans 2  
Number of unfunded, nonqualified pension plans 3  
Normal retirement age | yr 65  
Number of defined contribution plans 4  
Expense recognized related to defined contribution plans | $ $ 48.1 $ 41.1