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EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($)
$ in Millions
 3 Months Ended
Jun. 30, 2022
Jun. 30, 2021
Mar. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Employer matching contribution, percent of match (as a percent) 6.00%    
Employees’ capital accumulation plan, total expense recognized $ 46.2 $ 43.2  
Officer Medical Plan | Other Postretirement Benefits Plan      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, unfunded status of plan $ 115.0   $ 113.5