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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2024	Dec. 31, 2023	Mar. 31, 2024
Related Party Transaction [Line Items]
Accounts receivable	$ 166,687		$ 166,687		$ 199,630
Unbilled work in progress	202,716		202,716		192,012
Other assets	120,142		120,142		90,677
Related Party
Related Party Transaction [Line Items]
Accounts receivable	37		37
Unbilled work in progress					7,228
Certain Employees
Related Party Transaction [Line Items]
Other assets	42,703		42,703		$ 32,937
Financial Advisory Services
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 1,049	$ 6,686	$ 2,470	$ 8,223

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