XML 52 R36.htm IDEA: XBRL DOCUMENT v3.21.2
Basic and Diluted Earnings (Loss) Per Share - Basic and Diluted Earnings (Loss) per Common Share Attributable to Common Stockholders (Detail) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 6 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Oct. 31, 2021
Oct. 31, 2020
Earnings Per Share Disclosure [Line Items]        
Net income (loss) attributable to Korn Ferry $ 75,772 $ 27,778 $ 150,595 $ (3,055)
Less: distributed and undistributed earnings to nonvested restricted stockholders 1,654 730 3,321 289
Basic net earnings (loss) attributable to common stockholders 74,118 27,048 147,274 (3,344)
Add: undistributed earnings to nonvested restricted stockholders 1,510 585 3,005  
Less: reallocation of undistributed earnings to nonvested restricted stockholders 1,497 583 2,974  
Diluted net earnings (loss) attributable to common stockholders $ 74,131 $ 27,050 $ 147,305 $ (3,344)
Basic 53,114 53,229 52,937 53,246
Diluted weighted-average number of common shares outstanding 53,568 53,390 53,494 53,246
Basic earnings (loss) per share $ 1.40 $ 0.51 $ 2.78 $ (0.06)
Diluted earnings (loss) per share $ 1.38 $ 0.51 $ 2.75 $ (0.06)
Restricted Stock        
Earnings Per Share Disclosure [Line Items]        
Effect of dilutive securities 453 154 555  
ESPP        
Earnings Per Share Disclosure [Line Items]        
Effect of dilutive securities 1 7 2