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RELATED‑PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Mar. 31, 2022
Related Party Transaction [Line Items]
Accounts receivable, net of allowance for credit losses	$ 199,630	$ 182,029
Unbilled work in progress, net of allowance for credit losses	192,012	115,045
Other assets	90,677	83,609
Financial and Valuation Advisory
Related Party Transaction [Line Items]
Financial advisory services fees	9,044	284	$ 0
Company Employees
Related Party Transaction [Line Items]
Other assets	32,937	$ 28,869
Related Party
Related Party Transaction [Line Items]
Accounts receivable, net of allowance for credit losses	37
Unbilled work in progress, net of allowance for credit losses	$ 7,191

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