CONSOLIDATED STATEMENTS OF STOCKHOLDERS' EQUITY - USD ($) shares in Thousands, $ in Thousands	Total	Total Korn Ferry Stockholders' Equity	Common Stock	Retained Earnings	Accumulated Other Comprehensive Loss, Net	Noncontrolling Interest
Beginning balance (in shares) at Apr. 30, 2021			54,008
Beginning balance at Apr. 30, 2021	$ 1,368,775	$ 1,366,389	$ 583,260	$ 834,949	$ (51,820)	$ 2,386
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	330,845	326,360		326,360		4,485
Other comprehensive (loss) income	(40,541)	(40,365)			(40,365)	(176)
Dividends paid to shareholders	(26,786)	(26,786)		(26,786)
Dividends paid to noncontrolling interest	(1,452)					(1,452)
Purchase of stock (in shares)			(1,743)
Purchase of stock	(117,301)	(117,301)	$ (117,301)
Issuance of stock (in shares)			925
Issuance of stock	7,688	7,688	$ 7,688
Stock-based compensation	28,361	28,361	$ 28,361
Ending balance (in shares) at Apr. 30, 2022			53,190
Ending balance at Apr. 30, 2022	1,549,589	1,544,346	$ 502,008	1,134,523	(92,185)	5,243
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	213,054	209,529		209,529		3,525
Other comprehensive (loss) income	308	(579)			(579)	887
Dividends paid to shareholders	(32,971)	(32,971)		(32,971)
Dividends paid to noncontrolling interest	(4,721)					(4,721)
Purchase of stock (in shares)			(2,082)
Purchase of stock	(116,139)	(116,139)	$ (116,139)
Issuance of stock (in shares)			1,161
Issuance of stock	8,452	8,452	$ 8,452
Stock-based compensation	$ 35,433	35,433	$ 35,433
Ending balance (in shares) at Apr. 30, 2023	52,269		52,269
Ending balance at Apr. 30, 2023	$ 1,653,005	1,648,071	$ 429,754	1,311,081	(92,764)	4,934
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income	172,561	169,154		169,154		3,407
Other comprehensive (loss) income	(14,485)	(14,907)			(14,907)	422
Dividends paid to shareholders	(54,391)	(54,391)		(54,391)
Dividends paid to noncontrolling interest	(4,496)					(4,496)
Purchase of stock (in shares)			(1,142)
Purchase of stock	(63,219)	(63,219)	$ (63,219)
Issuance of stock (in shares)			856
Issuance of stock	9,273	9,273	$ 9,273
Stock-based compensation	$ 39,077	39,077	$ 39,077
Ending balance (in shares) at Apr. 30, 2024	51,983		51,983
Ending balance at Apr. 30, 2024	$ 1,737,325	$ 1,733,058	$ 414,885	$ 1,425,844	$ (107,671)	$ 4,267