Deferred Compensation and Retirement Plans (Tables)

6 Months Ended

Oct. 31, 2024

Retirement Benefits [Abstract]

Components of Net Periodic Benefits Costs

The components of net periodic benefit costs are as follows:

	Three Months Ended October 31,				Six Months Ended October 31,
	2024		2023		2024		2023
	(in thousands)
Service cost	$	11,825	$	11,346	$	22,480	$	21,179
Interest cost	4,513		3,436		8,964		6,793
Amortization of actuarial loss	32		183		64		367
Expected return on plan assets (1)	(266)		(272)		(532)		(544)
Net periodic service credit amortization	(102)		(102)		(203)		(203)
Net periodic benefit costs (2)	$	16,002	$	14,591	$	30,773	$	27,592

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(1)	The expected long-term rate of return on plan assets was 6.00% for both October 31, 2024 and 2023.
(2)	The service cost, interest cost and the other components of net periodic benefit costs are included in compensation and benefits expense, interest expense, net and other income (loss), net, respectively, on the condensed consolidated statements of operations.