XML 17 R1.htm IDEA: XBRL DOCUMENT v3.22.1
Cover Page - USD ($)
$ in Millions
 12 Months Ended
Mar. 31, 2022
May 23, 2022
Sep. 30, 2021
Document Information [Line Items]      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Mar. 31, 2022    
Current Fiscal Year End Date --03-31    
Document Transition Report false    
Entity File Number 001-37537    
Entity Registrant Name Houlihan Lokey, Inc.    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 95-2770395    
Entity Address, Address Line One 10250 Constellation Blvd.    
Entity Address, Address Line Two 5th Floor    
Entity Address, City or Town Los Angeles    
Entity Address, State or Province CA    
Entity Address, Postal Zip Code 90067    
City Area Code 310    
Local Phone Number 788-5200    
Title of 12(b) Security Class A Common Stock, par value $.001    
Trading Symbol HLI    
Security Exchange Name NYSE    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Entity Shell Company false    
Entity Public Float     $ 4,690
Documents Incorporated by Reference Portions of the Registrant’s definitive proxy statement for its 2022 annual meeting of stockholders, which the Registrant anticipates will be filed no later than 120 days after the end of its fiscal year, are incorporated by reference in Part III of this Form 10‑K.    
Amendment Flag false    
Entity Central Index Key 0001302215    
Document Fiscal Year Focus 2022    
Document Fiscal Period Focus FY    
Auditor Name KPMG LLP    
Auditor Location Los Angeles, California    
Auditor Firm ID 185    
Class A      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   49,464,157  
Class B      
Document Information [Line Items]      
Entity Common Stock, Shares Outstanding   17,080,479