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Employee Benefit Plans (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2022 | Dec. 31, 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 | $ 47.0 | $ 42.3 | $ 139.1 | $ 128.2 |
Officer Medical Plan | Other Postretirement Benefits Plan |  |  |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |  |  |
Defined benefit plan, unfunded status of plan | $ 118.4 |  | $ 118.4 |  | $ 113.5

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