BUSINESS REORGANIZATION - Schedule of Plan Expenses (Details) - USD ($) $ in Millions	12 Months Ended
	Mar. 31, 2025	Mar. 31, 2024	Mar. 31, 2023
Restructuring Cost and Reserve [Line Items]
Business reorganization	$ 106.5	$ 104.6	$ 14.6
2024 Plan
Restructuring Cost and Reserve [Line Items]
Business reorganization	106.5	93.3
Employee-related costs \| 2024 Plan
Restructuring Cost and Reserve [Line Items]
Business reorganization	51.5	3.2
Title cancellations \| 2024 Plan
Restructuring Cost and Reserve [Line Items]
Business reorganization	35.1	88.2
Loss On Divestitures \| 2024 Plan
Restructuring Cost and Reserve [Line Items]
Business reorganization	11.4	0.0
Impairment Loss Of Right-Of-Use Asset \| 2024 Plan
Restructuring Cost and Reserve [Line Items]
Business reorganization	3.9	0.0
Other Restructuring \| 2024 Plan
Restructuring Cost and Reserve [Line Items]
Business reorganization	$ 4.6	$ 1.9

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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