Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
12 Months Ended
Apr. 30, 2021
Jun. 22, 2021
Oct. 30, 2020
Cover [Abstract]      
Document Type 10-K    
Amendment Flag false    
Document Period End Date Apr. 30, 2021    
Document Fiscal Year Focus 2021    
Document Fiscal Period Focus FY    
Trading Symbol KFY    
Entity Registrant Name KORN FERRY    
Entity Central Index Key 0000056679    
Current Fiscal Year End Date --04-30    
Entity Well-known Seasoned Issuer Yes    
Entity Current Reporting Status Yes    
Entity Voluntary Filers No    
Entity Filer Category Large Accelerated Filer    
Entity Small Business false    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Common Stock, Shares Outstanding   54,010,212  
Entity Public Float     $ 1,200,014,249
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 95-2623879    
Entity Address, Address Line One 1900 Avenue of the Stars    
Entity Address, Address Line Two Suite 2600    
Entity Address, State or Province CA    
Document Annual Report true    
Document Transition Report false    
City Area Code 310    
Local Phone Number 552-1834    
Entity Address, City or Town Los Angeles    
Entity Address, Postal Zip Code 90067    
Entity File Number 001-14505    
Title of 12(b) Security Common Stock, par value $0.01 per share    
Security Exchange Name NYSE    
Entity Interactive Data Current Yes    
ICFR Auditor Attestation Flag true    
Documents Incorporated by Reference

Portions of the registrant’s definitive Proxy Statement for its 2021 Annual Meeting of Stockholders scheduled to be held on September 22, 2021 are incorporated by reference into Part III of this Form 10-K.