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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023	Mar. 31, 2024
Related Party Transaction [Line Items]
Accounts receivable	$ 219,133		$ 219,133		$ 199,630
Unbilled work in progress	138,293		138,293		192,012
Other assets	113,916		113,916		90,677
Related Party
Related Party Transaction [Line Items]
Accounts receivable	412		412
Unbilled work in progress					7,228
Certain Employees
Related Party Transaction [Line Items]
Other assets	40,531		40,531		$ 32,937
Financial Advisory Services
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 1,379	$ 2	$ 1,421	$ 1,537

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