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GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill by Business Segments (Details) $ in Thousands	6 Months Ended
	Sep. 30, 2025 USD ($)
Goodwill
Goodwill, Beginning Balance	$ 1,284,589
Changes	7,532
Goodwill, Ending Balance	1,292,121
Corporate Finance
Goodwill
Goodwill, Beginning Balance	1,017,983
Changes	6,066
Goodwill, Ending Balance	1,024,049
Financial Restructuring
Goodwill
Goodwill, Beginning Balance	162,815
Changes	0
Goodwill, Ending Balance	162,815
Financial Advisory Services
Goodwill
Goodwill, Beginning Balance	103,791
Changes	1,466
Goodwill, Ending Balance	$ 105,257

X

- Definition

Amount, after accumulated impairment loss, of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References

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X

- Definition

Amount of increase (decrease) of asset representing future economic benefit arising from other asset acquired in business combination or from joint venture formation or both, that is not individually identified and separately recognized.

+ References

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- Definition

A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

+ References

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