Deferred Compensation and Retirement Plans (Tables)

9 Months Ended

Jan. 31, 2023

Retirement Benefits [Abstract]

Components of Net Periodic Benefits Costs

The components of net periodic benefit costs are as follows:

	Three Months Ended January 31,				Nine Months Ended January 31,
	2023		2022		2023		2022
	(in thousands)
Service cost	$	10,573	$	9,762	$	30,200	$	28,190
Interest cost	2,439		1,038		7,263		3,095
Amortization of actuarial loss	218		537		654		1,622
Expected return on plan assets (1)	(289)		(387)		(867)		(1,160)
Net periodic service credit amortization	(101)		(101)		(304)		(304)
Net periodic benefit costs (2)	$	12,840	$	10,849	$	36,946	$	31,443

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(1) The expected long-term rate of return on plan assets was 5.50% and 6.00% for January 31, 2023 and 2022, respectively.

(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 consolidated statements of income.