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EMPLOYEE BENEFIT PLANS - Narrative (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Mar. 31, 2020
Retirement Benefits [Abstract]
Employer matching contribution, percentage of match	6.00%
Employees’ capital accumulation plan, total expense recognized	$ 176.8	$ 166.3	$ 151.0
Employees’ capital accumulation plan, company-paid contributions	171.6	163.0	$ 146.5
Defined Benefit Plan Disclosure [Line Items]
Long-term disability obligation	$ 9.3	$ 10.9
Officer Medical Plan | Other Postretirement Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Weighted-average discount rate for benefit obligation (as a percent)	3.75%	3.40%	3.60%
Defined benefit plan, funded (unfunded) status of plan	$ (113.5)	$ (121.5)

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Weighted average rate for present value of future retirement benefits cash flows, used to determine net periodic benefit cost of defined benefit plan.

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of funded (unfunded) status of defined benefit plan, measured as difference between fair value of plan assets and benefit obligation. Includes, but is not limited to, overfunded (underfunded) status.

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