The components of net periodic benefit costs are as follows:


	Three Months Ended July 31,
	2026		2025

	(in thousands)
Service cost	$	12,054	$	11,673
Interest cost	4,060		3,884
Amortization of actuarial loss	136		127
Expected return on plan assets (1)	(285)		(278)
Net periodic service credit amortization	(77)		(101)
Net periodic benefit costs (2)	$	15,888	$	15,305


(1)			The expected long-term rate of return on plan assets was 6.25% for both July 31, 2026 and 2025.


(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, net, respectively, on the condensed consolidated statements of income.