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Employee Benefit Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Mar. 31, 2023
Defined Benefit Plan Disclosure [Line Items]      
Employer matching contribution, percent of match (as a percent) 6.00%    
Employees’ capital accumulation plan, total expense recognized $ 54.3 $ 46.2  
Officer Medical Plan | Other Postretirement Benefits Plan      
Defined Benefit Plan Disclosure [Line Items]      
Defined benefit plan, unfunded status of plan $ 105.7   $ 105.6