CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME - USD ($) $ in Thousands	12 Months Ended
	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2020
Statement Of Income And Comprehensive Income [Abstract]
Net income	$ 330,845	$ 115,562	$ 107,017
Other comprehensive (loss) income:
Foreign currency translation adjustments	(59,227)	50,069	(23,764)
Deferred compensation and pension plan adjustments, net of tax	19,096	5,419	(6,716)
Net unrealized (loss) gain on marketable securities, net of tax	(410)	(53)	34
Net unrealized loss on interest rate swap, net of tax			(456)
Comprehensive income	290,304	170,997	76,115
Less: comprehensive income attributable to noncontrolling interest	(4,309)	(1,191)	(1,689)
Comprehensive income attributable to Korn Ferry	$ 285,995	$ 169,806	$ 74,426