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RETIREMENT PLANS - Narrative (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Retirement Benefits [Abstract]          
Net periodic benefit costs $ 0.4 $ 0.3 $ 0.9 $ 0.6  
Service cost component 0.8 $ 0.5 1.6 $ 1.1  
Estimated fair value of plan assets 41.7   $ 41.7   $ 45.7
Defer payment and taxation, base salary, percentage (up to)     75.00%    
Defer payment and taxation, bonus and other eligible cash compensation, percentage (up to)     100.00%    
Deferred compensation plan, fair value of assets $ 6.0   $ 6.0   $ 6.1