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GOODWILL AND OTHER INTANGIBLE ASSETS - Goodwill by Business Segments (Details) $ in Thousands	3 Months Ended
	Jun. 30, 2024 USD ($)
Goodwill
Goodwill, Beginning Balance	$ 1,127,497
Changes	47,873
Goodwill, Ending Balance	1,175,370
Corporate Finance
Goodwill
Goodwill, Beginning Balance	872,967
Changes	47,873
Goodwill, Ending Balance	920,840
Financial Restructuring
Goodwill
Goodwill, Beginning Balance	162,815
Changes	0
Goodwill, Ending Balance	162,815
Financial Advisory Services
Goodwill
Goodwill, Beginning Balance	91,715
Changes	0
Goodwill, Ending Balance	$ 91,715

X

- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
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-Name Accounting Standards Codification
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-Topic 942
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+ Details

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X

- Definition

Amount of increase (decrease) of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 350
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-Name Accounting Standards Codification
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-URI https://asc.fasb.org//1943274/2147482573/350-20-50-1

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X

- Definition

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

+ References

No definition available.

+ Details

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X

- Details

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X

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X

- Details

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