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PENSION AND POST-RETIREMENT PLANS - MULTI-EMPLOYER DEFINED CONTRIBUTION PLANS (Details) - Multi-employer defined contribution pension plans
$ in Millions
12 Months Ended
Dec. 31, 2023
USD ($)
plan
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Defined Contribution Plans      
Number of Multiemployer Plans | plan 6    
Employer contributions | $ $ 5.7 $ 6.0 $ 5.6