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RELATED PARTY TRANSACTIONS (Details) - USD ($) $ in Thousands	3 Months Ended	9 Months Ended
	Dec. 31, 2023	Dec. 31, 2023	Mar. 31, 2023
Related Party Transaction [Line Items]
Other assets	$ 88,491	$ 88,491	$ 83,609
Accounts receivable	152,755	152,755	182,029
Unbilled work in progress	174,178	174,178	115,045
Related Party
Related Party Transaction [Line Items]
Accounts receivable	422	422
Unbilled work in progress	6,554	6,554
Certain Employees
Related Party Transaction [Line Items]
Other assets	29,522	29,522	$ 28,869
Financial Advisory Services
Related Party Transaction [Line Items]
Related party transaction, amounts of transaction	$ 6,686	$ 8,223

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